Android Question how to solve network security configuration?

Errors:
ResponseError. Reason: java.net.UnknownServiceException: CLEARTEXT communication to 192.168.1.103 not permitted by network security policy, Response: Errorjava.net.UnknownServiceException: CLEARTEXT communication to 192.168.1.103 not permitted by network security policy
every time I run my program and in the part where i will fetch the data from phpmyadmin that error always shows. i followed every step in this yt video( ), my program is not working but his program is working.
please help me, i don't know what to do anymore. (T^T)
 
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