Seeking Help Not able to generate UPC Port Code on BSNL number ?

[Tushar_]

I have a vanity auction BSNL number from last two years, today after sending PORT message to 1900. I received the following message from 1901. What's the solution for this ?
Plan Activated ₹397.00 Validity till December 2022
Main Balance ₹42 Available
Port SMS ₹1.20 Deducted from Main Balance.