'TimeTrackingCacheLoader Operation encountered some errors {0}

Hello Experts,

Getting error while creation of Case associated with SLA . When I am selecting Business Hour in SLA  , Unable to create case.     Error Details : Microsoft.Crm.ObjectModel: Microsoft.Crm.Extensibility.InternalOperationPlugin]

[88f6cf4c-18ae-4f1e-98a1-eae99a37e95c: ExecuteWorkflowWithInputArguments]

Starting sync workflow 'Sample SLA', Id: c91a04cb-6c15-e511-80c8-005056b7e29f

Entering ConditionStep1_step: Test SLA

Entering ConditionStep3_step: Check condition step - Applicable When- KPI1

Entering ConditionStep5_step:

Entering ConditionStep8_step:

Sync workflow 'Test SLA' terminated with error 'TimeTrackingCacheLoader Operation encountered some errors {0}, see log for more detail.'