Response is timing out for one service in performance mode.

Document ID : KB000121322
Last Modified Date : 16/11/2018
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Issue:
We have a Java application that sends requests to the VS, The VSM is an MQ service and the payload is parsed using copybook. Everything is working fine , except for one scenario, where the response timesout and we  are getting an error in the client application. 
The VSE logs shows 
Transaction processing speed is being gated due to licensing restrictions. Error line in VSE.log 2018-11-02 01:01:58,032Z (01:01) [SO-Main [VS_SO-Main_Run]/1] WARN com.itko.lisa.coordinator.VSETransactionLicensingManager - Transaction processing speed is being gated due to licensing restrictions. Even though we have changed the license file and run VSE in performance mode but still the problem persists.
Environment:
All supported DevTest Environments
Cause:
 Thinktime in the VSI was set too high.
Resolution:
Modified Thinktime in VSI to a lower value, redeployed the service and its working fine.