It is related with Workflow History. It exceeds 5000 limit threshold. You need to delete old items or empty Workflow History.

This can be done:

1. Using SharePoint Designer - to locate the link to the list "Workflow History" mine link:

   /sites/Test/Lists/Workflow%20History/AllItems.aspx

2. Using Access - import external data - from SharePoint - then open the table and delete the rows - or use query to delete all rows from the list

Sometimes, it requires an IISReset on the server just to shake things up and get them connected properly.

There are people who have reported not seeing the SharePoint 2013 Workflow option after configuration and come back the next day to find it magically appear.

This is likely because their app pools got recycled overnight. Definitely worth a shot.

Source: https://lennytech.wordpress.com/2013/06/02/configuring-sharepoint-2013-to-use-workflow-manager-1-0/

It is related with Workflow History. It exceeds 5000 limit threshold. You need to delete old items or empty Workflow History.

This can be done:

1. 1. using SharePoint Designer - to locate the link to the list "Workflow History" mine link: /sites/Test/Lists/Workflow%20History/AllItems.aspx
2. using Access - import external data - from SharePoint - then open the table and delete the rows - or use query to delete all rows from the list

It is related with Workflow History. It exceeds 5000 limit threshold. You need to delete old items or empty Workflow History.

This can be done:

1. Using SharePoint Designer - to locate the link to the list "Workflow History" mine link:

   /sites/Test/Lists/Workflow%20History/AllItems.aspx

2. Using Access - import external data - from SharePoint - then open the table and delete the rows - or use query to delete all rows from the list