Servicenow agent App Login Problem with PDI Logins - session time-out

[Community Alums]

Hey, Amazing People,

I'm new to ServiceNow Mobile App Builder for Field Agent. I got into a problem. I can't log into my Now Agent Mobile app on my Mobile when using PDI Logins. Initially, it was login but after some time when I tried to log back, I couldn't do so...

Whenever I try to login with my PDI Instance username and password, It shows sessionout. 

I'm gonna attach the screenshots.

What do I need to fix this issue so that I can apply my learnings of Mobile App Builder in the Now Mobile Agent App? 

[SiarheyV]

Today I have different issues on new created PDI. 

Does not loaded Studio.
Can't open flow in Workflow studio.

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