Repair Smartsheet automated

My Smartsheet automation for workflow approvals suddenly stopped firing even though the conditions and permissions appear unchanged. No approval requests are being sent, the workflow log shows no recent activity, and manual tests won’t trigger anything... (Budget: £20 - £250 GBP, Jobs: Automation, Automation Debugging, Excel, Process Automation, Project Management, Salesforce.com, Software Architecture, Technical Support, Workflow Automation, Workflow Consulting)