Can not click "New Insert" for making a process plan

I think either permission on license lacking , if you can add some screenshot to better understand :

you can check your permission using edit access control on an existing PP in the same context/folder  .

for licenses you need to go on the info page of the user to see assigned licensing groups :

Hello @JP_10938893, 

It looks like you have a response from some community members. If it helped you solve your question please mark the appropriate reply as the Accepted Solution. 

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Community Moderation Team.