Request failed with PreconditionFailed status code (Precondition Failed) in Team Chat Migration (4374864)

Request failed with PreconditionFailed status code (Precondition Failed) in Team Chat Migration

Request failed with PreconditionFailed status code (Precondition Failed). {"error":{"code":"PreconditionFailed","message":"SessionOverload","innerError":{"message":"StoreInvalidInput-Total roster size including request members size 1 exceeds limit of chat thread type, which is 250","code":"1","innerError":{},"date":"2023-04-13T16:42:45","request-id":"37ec808b-d4ab-40c9-accc-33a45d690107","client-request-id":"37ec808b-d4ab-40c9-accc-33a45d690107"}}}

Every group or meeting chat can only have max 250 members, so target is exceeding because including migration service account. 
 

Remove one of the members from group or meeting chat members, when service account added into the group or meeting chat members so it will not exceed the team chat members limit as in Microsoft document : https://learn.microsoft.com/en-us/microsoftteams/limits-specifications-teams