Error 401 Invalid Credentials"

One of my team member unable to install App On mobile it Shows " Error 401 Invalid Credentials"
Please guide how to solve this

Hello sir,

Could you please share the CRM link along with the user details?

https://masp.sangamcrm.com/
User Name - Vishal Rohakale
Email id -vishalrohakale30@gmail.com

Hello, sir. Has this issue been resolved, or is the user still unable to log in?

After resetting password ,same error is appearing also he has checked with another mobile handset
Please urgently resolve

After deleting the user details and uninstll App
doing all process again still same error

Issue resolved there is very small stupid mistake from my side in spelling in user name

No worries Sir! Glad to hear it’s resolved. Thanks for the update!