Android App keep stopping and closing. How can i solve this?

I've build android app for our restaurant which base on codecaynon script. App successfully build but when tap to open it stopping and closing and not working properly. How can I solve this?

1970-05-23 10:17:11.274 632-632/? E/vold: [libfs_mgr]Warning: unknown flag crashcheck
1970-05-23 10:17:11.285 632-638/? E/vold: Failed to chmod /data/system_ce/0: No such file or directory
1970-05-23 10:17:11.285 632-638/? E/vold: Failed to chmod /data/misc_ce/0: No such file or directory
1970-05-23 10:17:11.286 632-638/? E/vold: Failed to chmod /data/media/0: No such file or directory
1970-05-23 10:17:14.627 632-857/? E/vold: [libfs_mgr]Resize ext4 return 0
2018-12-26 18:54:03.910 1070-1070/? E/wificond: Failed to get wiphy indices
2018-12-26 18:54:08.007 1069-1259/? E//system/bin/storaged: getService package_native failed
2018-12-26 18:54:08.204 2060-2078/? E/BatteryExternalStatsWorker: no controller energy info supplied for telephony
2018-12-26 18:54:08.207 2060-2078/? E/KernelUidCpuFreqTimeReader: Failed to read /proc/uid_time_in_state: java.io.FileNotFoundException: /proc/uid_time_in_state (No such file or directory)
2018-12-26 18:54:08.213 2060-2078/? W/KernelMemoryBandwidthStats: No kernel memory bandwidth stats available
2018-12-26 18:54:08.303 2060-2060/? W/RescueParty: Noticed 1 events for UID 0 in last 14 sec

Everything successfully build bujust keep stoppingg issue occuring