Can't unlock Cricket phone received case number no help

 This is a Moto one 5g purchased online from Cricket on December 5, 2021. also a 2021 model. Have had service with it for 6 months. It won’t unlock with app. Inserted another sim. No unlock. Performed a factory reset. No unlock with app. Have  
Tried for 3 days, called 10X. 1st day they said phone could be unlocked 8 hours later. Next day  got a support case#. Today they said that the phone could be unlocked after 3 hours. No unlock. Constantly receive this ERROR CODE; UNLOCK failed to generate attestation request ERROR CODE# 16781312 ENDORSE API failed. I purchased this with the intent to use it as an alternate method to access the internet. Their unlimited plan only allows 10GBs hotspot use. Insufficient. Please help unlock this phone. Provide a way for me to contact Motorola if necessary to obtain a PUK code and method to unlock the phone. CASE#- C-B7VLJO.