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171Hi All,
I'm facing an issue with migrating Business Central OnPrem from version 19 to version 21.
I was following this guide from Microsoft, and I seem to have gotten stuck on task 7.
I got through a few of the errors (using this) however one of them is beyond my understanding.
As per the second guide, it says there may be circumstances, where I may have to manually change the code and re-compile the application. So as there were a couple of errors in the Base Application, I made the necessary changes myself and as expected it compiled successfully. However, when I tried to publish it to Business Central, I got hit with this error message:
Extension Compilation Failed
ExchangeWebServicesClient.Codeunit.al(243,46): error AL0133: Argument 1: cannot convert from 'Dotnet "Microsoft.Exchange.WebServices.Data.ExchangeCredentials"'
I looked at the dotnet.al file from the github repo to determine which assembly may be missing but the assembly (Microsoft.Exchange.WebServices.NETstandard) appears to be there. Based on the conversation on here I tried to figure out whether it was a case of duplicate assemblies with different versions and to find that out I search throughout the system for different assemblies with that name however all of them had the same version (checked via Properties -> Details).
I tried compiling using the AL Compiler however it simply did not know where to look for the assemblies.
I tried playing around with the "al.assemblyProbingPaths" however the error seems to be persistent.
I tried to remove that dll from the assembly paths, but it did not throw any different error in that case which was unexpected. However, when I tried to remove the "Microsoft.Exchange.WebServices" dll it gave me the missing DLLs errors.
I tried replacing the "Microsoft.Exchange.WebServices" dll with the "Microsoft.Exchange.WebServices.ni" dll as it was the only different one, I could find however that did not change anything either.
Has anyone here faced a similar error?
Can you please guide me towards a solution or let me know if I'm missing something in my approach towards this issue?
Any guidance will be highly appreciated.
Thanks!
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