(bts=0,trx=0,ts=0,pchan_from_config=CCCH+SDCCH4,state=NOT_INITIALIZED) Abis RSL rx CCHAN: mismatching chan_nr=0x90

When i try to run osmo-bts-trx i am getting following log in osmo-bsc   abis_rsl.c:142 (bts=0,trx=0,ts=0,pchan_from_config=CCCH+SDCCH4,state=NOT_INITIALIZED) Abis RSL rx CCHAN: mismatching chan_nr=0x90   I tried to find out in bugs: https://osmocom.org/issues/4872 but could not understand …   i am using osmo-bsc 1.7.1 and osmo-bts-trx 1.3.3   Could you pls advise me briefly whats happening and how to sort it out ?     -- Mario Lucas