mmap() failed: [12] Not enough memory

Can't initialize heap: [12] Not enough memory - retry 1 U:/dev/php-7-os2/Zend/zend_alloc.c(1853)

mmap() failed: [12] Not enough memory

Can't initialize heap: [12] Not enough memory - retry 2 U:/dev/php-7-os2/Zend/zend_alloc.c(1853)

LIBC PANIC!!
fmutex deadlock: Owner died!
0x201115a0: Owner=0x06880021 Self=0x06880001 fs=0x3 flags=0x0 hev=0x00010324
            Desc="pthread_mutex_t"
pid=0x0688 ppid=0x0207 tid=0x0001 slot=0x00ea pri=0x0200 mc=0x0000 ps=0x0010
D:\APACHE\BIN\HTTPD.EXE
Creating 0688_01.TRP
Moved 0688_01.TRP to C:\var\log\app\62724d7c-0688_01-HTTPD-exceptq.txt