Wipro — Mobile number problem in background verification

Respected Sir/Madam,
My resume number is :21078251
My name is Triparna Sunanda . I have received a mail from wipro for the background verification on March 31st, 2022 but when i was filling my mobile number it was showing that please enter your mobile number but the mobile number is already had . I don't know that why i am getting that problem and i am unable to edit it. During this i'm not able to move to another step and when i uploaded my pan card it was switching to the other documents. I request you to please resolve this issue so that i can complete my background verification.

Please resolve this issue as I have only few days left for background verification.