Memory out trouble

in error output i see:
sometime this:
ERROR: Error processing Serial data handler - removing it.
ERROR: Error processing Serial data handler - removing it.
Execution Interrupted during event processing.
New interpreter error: CALLBACK,MEMORY

sometime this:
ERROR: Ctrl-C while processing interval - removing it.
Execution Interrupted during event processing.
Uncaught InternalError: Unable to create socket
at line 130 col 10
}).end();

     ^

in function "getTimeOnline" called from line 103 col 21
try { getTimeOnline(); } catch (error) { }

process.env:
"VERSION": "1v99",
"GIT_COMMIT": "f0d66ba",
"BOARD": "ESP8266_4MB",
"FLASH": 0, "RAM": 81920,
"SERIAL": "5ccf7fed-7f68",
"CONSOLE": "Telnet",
"MODULES": "Flash,Storage,net" ... "r,crypto,neopixel",
"EXPTR": 1073643636 }