PM2 ERRORserver.js had too many unstable restarts (16). Stopped. "errored"

Error Log:
2019-10-26T10:35:44: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:44: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:45: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:45: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:45: PM2 log: App [testpp:0] online
2019-10-26T10:35:46: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:46: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:46: PM2 log: App [testpp:0] online
2019-10-26T10:35:46: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:46: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:46: PM2 log: App [testpp:0] online
2019-10-26T10:35:46: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:46: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:46: PM2 log: App [testpp:0] online
2019-10-26T10:35:46: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:46: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:46: PM2 log: App [testpp:0] online
2019-10-26T10:35:46: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:46: PM2 log: App [testpp:0] starting in -fork mode-
2019-10-26T10:35:46: PM2 log: App [testpp:0] online
2019-10-26T10:35:46: PM2 log: App [testpp:0] exited with code [1] via signal [SIGINT]
2019-10-26T10:35:46: PM2 log: Script /www/wwwroot/mtvlog/test/server.js had too many unstable restarts (16). Stopped. "errored"

This error occur when i try to import any module(a also imported in PM2 manager)
I tryed changing Node version... But no luck.......