Dear,
This error appears when I try to insert a new contact. Do you have any idea how to solve this?

Exception Message: The user with SystemUserId=e363c4e2-975f-e911-a974-000d3ac016c5 in OrganizationContext=5a392bef-c681-42ef-a95e-bedd6a5eaab5 is disabled
ErrorCode: -2147220955
HexErrorCode: 0x80040225
ErrorDetails:
ApiExceptionSourceKey: Step/Microsoft.Crm.Extensibility.ImageRetrievalStep
ApiStepKey: 84b9d1cb-3e30-11db-b951-000cf1fe02ff
ApiDepthKey: 1
ApiActivityIdKey: f5c1fd71-3cfd-4dfa-8e8f-a1e7cbfe9a31
ApiPluginSolutionNameKey: System
ApiStepSolutionNameKey: System
ApiExceptionCategory: ClientError
ApiExceptionMessageName: unManagedidsusernotenabled
ApiExceptionHttpStatusCode: 400
HelpLink: go.microsoft.com/.../
Id da Atividade: 80a19936-a296-4732-8806-c1fea26d637f