5.3.1 Source version open Asset failure


Fault opening a material. The material can be displayed normally on the model, but its material editor cannot be opened. I created a test project using the binary version and copied the files to the test project, which enabled me to open the materials normally. The error prompted by VS is a read access permission conflict.I don’t know the reason for the mistake and how to fix it.
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New try found that if the Substrate material is enabled, the binary version will also crash.