Process Runner Excel Add-in Session Limitation
Symptom
You might run into an error message similar to the following in the About page.
136: A new session of PRORADDIN cannot be started due to limit.
Allowed Session(s): 3, Running Session(s): 4
Cause
Session limitation in Process Runner Excel Add-in version.
Solution
Send a screenshot of the error message and the steps and for further assistance, please create a support case on Salesforce and request for the link that contains the latest version of Process Runner Excel Add-in.