Plug-in assembly does not contain the required types | Rajeev Pentyala

“Plug-in assembly does not contain the required types or assembly content cannot be updated”- CRM 2011

August 6, 2011 Rajeev Pentyala 3 comments

Hi,

You may get this exception when you try to update the plug-in assembly using Plug-In registration tool.

Reasons:-

When you change a class name inside the plugin assembly and try to update the plug-in assembly using Plug-in registration

Here is another interesting scenario that could lead to the this exception
- Assume User 1 & User 2 are working on the same Plug-In assembly using Source Control
- User 1 updated the assembly and registered the Plug-In but forgot to check in
- Next day, User 2 would like to develop a plugin. He checks out latest source code(but User 1 plugin missing because User 1 did not check in the code)
- When User 2 tries to update the plugin assembly in CRM 2011, he gets “Plug-in assembly does not contain the required types or assembly”, because of assembly version mismatch.

Fix:-

Try unregistering the assembly all together and re-registering the assembly after creating your new class; yes this means you will need to recreate your steps and images

Hope it helps 🙂