Samsung S10 g973f unlock readcode failed

hi,
WorkID: 66072952 is and PDA Version: G973FXXU2ASF3 [june 2019, rev3]
Chimera could not read codes to unlock. "This modem is not appropriate (G973FXXU2ASF3). Please downgrade if possible!
Unsupported modem version."
Could you help about this?