Activation failed with Error code “OIC_ACTIVATION_USER_API_LIBRARY_ERROR”

Summary

Getting API validation error with activation failure

Content

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Hi,

Trying to activate the integration but facing below error:

Cause - Validation of api library with code: TEST_LIB and version : 01.00.0000 failed for the method : concatMessageTest 

 

Please suggest me how can I proceed for activation.