[Q] Constant shutting down topic

Among other problem, my phone has started shutting down randomly after 5-15 minute. Here is the last_kmsg :

Code:

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[ 1502.022310] batt_temp_monitor_work: stop charging!! state = 7 temp = -300 mvolt = 3990
[ 1502.022432] batt_temp_set_current_limit: value = 900
[ 1502.022523] batt_temp_charger_disable
[ 1502.036227] healthd: battery l=49 v=3881 t=-30.0 h=3 st=4 c=142 chg=u
[ 1502.042514] adjust_soc: ibat_ua = 142200, vbat_uv = 3901515, soc = 86, batt_temp=-300
[ 1502.093300] healthd: battery l=56 v=3897 t=-30.0 h=3 st=4 c=142 chg=u
[ 1504.182267] mdm_status_change: unexpected reset external modem id 0

120 Corrected bytes, 1 unrecoverable blocks
Boot info:
Last boot reason: hw_reset_or_poweron

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Any idea ? Also the charging port is not working, I get the lightning icon but it says not charging. The only way I can charge the phone is by wireless charging