Could not load file or assembly CrystalDecisions ReportAppServer CommLayer Version 13 0 2000 0

Question

I have developed a simple project  where i have to print some crystal report  the project runs very well in local machine  but when i up this on a web hosting server  it shows me an error when crystal report viewing       Could not load file or assembly  CrystalDecisions ReportAppServer CommLayer  Version 13 0 2000 0    Culture neutral  PublicKeyToken 692fbea5521e1304  or one of its   dependencies  The system cannot find the file specified        Description  An unhandled exception occurred during the execution of the current web request  Please review the stack trace for more   information about the error and where it originated in the code       Exception Details  System IO FileNotFoundException  Could not load   file or assembly  CrystalDecisions ReportAppServer CommLayer    Version 13 0 2000 0  Culture neutral  PublicKeyToken 692fbea5521e1304    or one of its dependencies  The system cannot find the file specified       Source Error       An unhandled exception was generated during the execution of the   current web request  Information regarding the origin and location of   the exception can be identified using the exception stack trace below       Assembly Load Trace  The following information can be helpful to   determine why the assembly    CrystalDecisions ReportAppServer CommLayer  Version 13 0 2000 0    Culture neutral  PublicKeyToken 692fbea5521e1304  could not be loaded       WRN  Assembly binding logging is turned OFF  To enable assembly bind   failure logging  set the registry value    HKLM Software Microsoft Fusion EnableLog   DWORD  to 1  Note  There   is some performance penalty associated with assembly bind failure   logging  To turn this feature off  remove the registry value    HKLM Software Microsoft Fusion EnableLog     Please any one can help me

User · Answer

In the first plate you have to check that    1  You install a appropriate version of Crystal Reports SDK     http   downloads i-theses com index php option com downloads amp task downloads amp groupid 9 amp id 101  for example  2  Add reference to dll     crystaldecisions reportappserver commlayer dll

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For me it was  Prefer 32bit   clearing the checkbox allowed CLR to load Crystal Reports 64bit runtime  the only one installed

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As I said in comment your crystaldecisions reportappserver commlayer dll is not copied   present on your server  So for this you have to manually copy the dll and paste into you Bin folder To copy a DLL from visual studio project follow the steps  1 Expand your Project s References hierarchy  Project should not be in debug mod  2 Right Click on Particular Dll  in your case crystaldecisions reportappserver commlayer dll  and select Properties and set  Copy Local  attribute to TRUE 3 Build your project  The Dll should be there in your BIN Folder

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If you already have the DLL copied to your project and the Copy Local flag is in true  the solution should be just rebuild the project  That will copy the DLL to the bin folder

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If you have the to your project and the Copy Local flag is in true  the solution should be just the project  That copy the DLL to the bin folder

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CR has changed the Version No of Assemblies  The Old Version is 13 0 2000 0  this is a incompatible version problem   The New Version is 13 0 3500 0 or 13 0 4000 0 - this is for my test case of Visual Studio 2019 and  net 4 7 2 and Window Server 2019  You need to open all your projects  Remove the old dll reference and add the new references  Then build the application again   I learnt from source     Best Answer  https   answers sap com questions 303438 could-not-load-file-or-assembly- 27crystaldecisionsr html Installation Notes Crystal Reports for Visual Studio 2017  https   www tektutorialshub com crystal-reports crystal-reports-download-for-visual-studio  Service-Pack-16     TO remove  Right click on an assembly under references to remove it     This is where the error comes from - it is exactly what the error message outputs   error message       Could not load file or assembly     The located assembly s manifest   definition does not match the assembly reference       location error message referring to       C  Visual-Studio-2019-Proj Proj Windows Inventory Proj Windows   Inventory obj x86 Debug Press HDL Windows Inventory exe manifest    And it looks like this   -The older version of  net 3 5 and CReports version  13 0 2000 0  and VS2012    lt dependentAssembly dependencyType  install  allowDelayedBinding  true  codebase  CrystalDecisions CrystalReports Engine dll  size  372736  gt         lt assemblyIdentity name  CrystalDecisions CrystalReports Engine  version  13 0 2000 0  publicKeyToken  692FBEA5521E1304  language  neutral  processorArchitecture  msil    gt    -The newer version of  net 4 7 2 and CReport version  13 0 4000 0  and VS2019    lt dependentAssembly dependencyType  install  allowDelayedBinding  true  codebase  CrystalDecisions CrystalReports Engine dll  size  373248  gt         lt assemblyIdentity name  CrystalDecisions CrystalReports Engine  version  13 0 4000 0  publicKeyToken  692FBEA5521E1304  language  neutral  processorArchitecture  msil    gt

User · Answer

I faced the same issue and used the following steps to solve it  1  go Right side in solution explorer 2  Click on your Project Name 3  click on Reference 4  you can see yellow symbol on some DLL 5  Right click on that DLL and go to Property 6  Find Specific Version   True replace it with Specific Version   False   and also change Copy Local   False  to Copy Local   True

User · Answer

I had the same error after moving to a new laptop  Windows 10    In addition to setting Copy Local to true as mentioned above  I had to install the Crystal Reports 32-bit runtime engine for  Net Framework  even though everything else is set to run in a 64-bit environment   Hope that helps

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For visual studio 2019  change the code in aspx cs page       lt    Register Assembly  quot CrystalDecisions Web  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot          Namespace  quot CrystalDecisions Web quot  TagPrefix  quot CR quot    gt   in web config        lt configSections gt           lt sectionGroup name  quot businessObjects quot  gt             lt sectionGroup name  quot crystalReports quot  gt               lt section name  quot rptBuildProvider quot  type  quot CrystalDecisions Shared RptBuildProviderHandler  CrystalDecisions Shared  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304  Custom null quot   gt             lt  sectionGroup gt           lt  sectionGroup gt         lt  configSections gt      lt assemblies gt           lt add assembly  quot System Design  Version 4 0 0 0  Culture neutral  PublicKeyToken B03F5F7F11D50A3A quot   gt           lt add assembly  quot System Web Extensions Design  Version 4 0 0 0  Culture neutral  PublicKeyToken 31BF3856AD364E35 quot   gt           lt add assembly  quot System Windows Forms  Version 4 0 0 0  Culture neutral  PublicKeyToken B77A5C561934E089 quot   gt           lt add assembly  quot CrystalDecisions CrystalReports Engine  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot CrystalDecisions ReportSource  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot CrystalDecisions Shared  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot CrystalDecisions Web  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot CrystalDecisions ReportAppServer ClientDoc  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot Microsoft Build Framework  Version 4 0 0 0  Culture neutral  PublicKeyToken B03F5F7F11D50A3A quot   gt           lt add assembly  quot System Management  Version 4 0 0 0  Culture neutral  PublicKeyToken B03F5F7F11D50A3A quot   gt           lt add assembly  quot Microsoft ReportViewer WebForms  Version 12 0 0 0  Culture neutral  PublicKeyToken 89845dcd8080cc91 quot   gt           lt add assembly  quot Microsoft ReportViewer Common  Version 12 0 0 0  Culture neutral  PublicKeyToken 89845dcd8080cc91 quot   gt           lt add assembly  quot System Web DataVisualization  Version 4 0 0 0  Culture neutral  PublicKeyToken 31BF3856AD364E35 quot   gt           lt add assembly  quot CrystalDecisions CrystalReports Engine  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot CrystalDecisions ReportSource  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot CrystalDecisions Shared  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot CrystalDecisions Web  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add assembly  quot CrystalDecisions ReportAppServer ClientDoc  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt         lt  assemblies gt     lt buildProviders gt           lt add extension  quot  rpt quot  type  quot CrystalDecisions Web Compilation RptBuildProvider  CrystalDecisions Web  Version 13 0 4000 0  Culture neutral  PublicKeyToken 692fbea5521e1304 quot   gt           lt add extension  quot  rdlc quot  type  quot Microsoft Reporting RdlBuildProvider  Microsoft ReportViewer WebForms  Version 12 0 0 0  Culture neutral  PublicKeyToken 89845dcd8080cc91 quot   gt         lt  buildProviders gt

User · Answer

Somehow I had the wrong versions of the DLLs registered in my project    I removed the three references to the Crystal Report dlls from my project   I right click References  and click Add Reference In the popup window  I click the Browse menu on the left and the Browse button  In the Directory window where your DLLs reside  perhaps your application s bin directory   select the three Crystal Reports DLLs and then click Add   Back at the Reference Manager window  click in the first column to the left of the three Crystal dlls  and then click OK  At this point your Crystal Reports should work again

User · Answer

Edit Web Config for each crystaldecisions file version make it equal the same version off the dll file  from rght click on it and select from properties from solution explorer   Eg   crystaldecisions reportappserver commlayer dll --  13 0 2000 0  after upgrade crystal report to  CRforVS 13 0 21 edit it to ---  13 0 35 00 0

[asp.net] Could not load file or assembly 'CrystalDecisions.ReportAppServer.CommLayer, Version=13.0.2000.0

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