Admininstrator user cannot unlock submitted Calls with the Salesforce Dataloader, once the upsert job finished, the Call still locked and in a submitted status in CRM.
The parent Call of the affected Calls is still in submitted status and this resets the child Calls statuses.
CRM Help Article: Call Unlock Button Does Not Display in Online CRM
Send us your feedback: We are always looking for feedback to help improve our Knowledge Base! Please let us know if this article is helpful or provide feedback on how we can improve your experience by clicking here.