The Microsoft Operations Manager Scheduler Data Source Module failed to initialize because some "hour in the day" could not ...

The Microsoft Operations Manager Scheduler Data Source Module failed to initialize because some "hour in the day" could not be parsed on the HH:mm format. 

Hour in the day: %5 

One or more workflows were affected by this.  

Workflow name: %2 
Instance name: %3 
Instance ID: %4 
Management group: %1