This is an error returned from the carrier, there is nothing Telgoo5 can do to fix this error.  You need to open a ticket with your carrier to fix this mismatch in their database.

HLR (Home Location Register). HLR is database in a wireless network containing customer data, including service entitlements and call-routing information.

MSISDN is a number uniquely identifying a subscription in a Global System for Mobile communications or a Universal Mobile Telecommunications System mobile network. This is the phone number.