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hello,

 

 I have bild a new customization project in visual studio after that when I try to open acumatica I’m getting this error.

 

 

 

Could not load file or assembly 'System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

 

 

Hi @DineshJ  You can upgrade only the website (without the database) from the Acumatica wizard, which will replace all the DLL’s in the bin and resolve this issue.

It seems like dll’s are not in the right version, you should upgrade de website with Acumatica Configuration wizard like @Naveen Boga  suggested

Thank you @Naveen Boga @anahizentella94 when i try to upgrade this message appeares.

My doubt is will i loose my customizations and report changes if upgrade it, or my data will be save. 

 

Hi @DineshJ  Hope you are performing below option.

 

 

Yes it worked @Naveen Boga @anahizentella94 

thank you for the support.😊

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