Two-factor pitfalls, device trust, and recovery paths for locked or failed logins.
What to do
First confirm whether the intended account works directly in Instagram. If it does, check the identity and permissions connected to Postly. Direct sign-in and publishing authorization are different problems.
Practical example
A teammate realizes the connected personal username differs from the intended professional account and corrects the account selection.
Check your result
Use official account recovery when needed and keep passwords, authentication codes and recovery codes out of support screenshots.