Internal server error when adding a new developer and app in Apigee.

[sireeshaone]

Error in Mart log:

\u003d MART Service Auth token validation failed due to internal error, associated contexts \u003d []}\n\tat com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2051)

Segment.get(LocalCache.java:2045)\n\t... 54 more\n"} {"level":"SEVERE","thread":"qtp701472968-166","mdc":{},"className":"com.apigee.rest.framework.container.ExceptionMapper","method":"toR esponse","severity":"SEVERE","message":"Returning error response : ErrorResponse{errorCode \u003d null, errorMessage \u003d com.apigee .kernel.exceptions.spi.UncheckedException{ code \u003d mart.HybridAuthInternalServerError, message \u003d MART Service Auth token vali dation failed due to internal error, associated contexts \u003d []}}","formattedDate":"2021-06-16T21:53:11.534Z","logger":"REST"} {"level":"SEVERE","thread":"qtp701472968-177","mdc":{},"className":"com.apigee.rest.framework.container.ExceptionMapper","method":"toR esponse","severity":"SEVERE","message":"Error occurred","formattedDate":"2021-06-16T21:53:11.536Z","logger":"REST","exceptionStackTrac e":"com.google.common.util.concurrent.UncheckedExecutionException: com.apigee.kernel.exceptions.spi.UncheckedException{ code \u003d ma rt.HybridAuthInternalServerError, message \u003d MART Service Auth token validation failed due to internal error, associated contexts \u003d []}\n\tat com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2051)

[sillan_dt]

I can see

mart.HybridAuthInternalServerError, message \u003d MART Service Auth token vali dation failed due to internal error

Is your authentication credential correct?