init_common_PID: Assertion `!(p & 0xffff0000)' failed

[smaznet]

i got this error

 mtproto-proxy: common/pid.c:42: init_common_PID: Assertion `!(p & 0xffff0000)' failed.
[pid 76535] [time 1528659606]
------- Stack Backtrace -------
./mtproto-proxy(print_backtrace+0x16)[0x443e36]
./mtproto-proxy(extended_debug_handler+0x10)[0x443f70]
/lib64/libpthread.so.0(+0xf7e0)[0x7f9ded9f07e0]
/lib64/libc.so.6(gsignal+0x35)[0x7f9ded67f495]
/lib64/libc.so.6(abort+0x175)[0x7f9ded680c75]
/lib64/libc.so.6(+0x2b60e)[0x7f9ded67860e]
/lib64/libc.so.6(__assert_perror_fail+0x0)[0x7f9ded6786d0]
./mtproto-proxy[0x447af1]
./mtproto-proxy(engine_init+0xc8)[0x43e4f8]
./mtproto-proxy(default_main+0x114)[0x43f324]
/lib64/libc.so.6(__libc_start_main+0xfd)[0x7f9ded66bd1d]
./mtproto-proxy[0x411361]

What s this error?

[stek29]

#41