Here is the output after 30 power cycles:

Loading 7981 bytes from flash...
Running onInit()...
299 { "free": 468, "usage": 932, "total": 1400, "history": 1 }
ERROR: Out of Memory!
WARNING: Truncating string as not enough memory
Execution Interrupted during event processing.
at line 1 col 127
...[0]]=this.flash.read(t,r+4)),r+=t+7&-4,a=this.flash.read(4,r...
                              ^
in function "readAll" called from line 1 col 24
var t,e,r=this.readAll();this.flash.erasePage(this.addr),t=t...
                       ^
in function "cleanup" called from line 1 col 208
...dAddr&&(r.end=this.cleanup(),r.end+e.length+4>=this.endAddr)...
                              ^
in function "write" called from line 1 col 96
...f.write(this.fileNo,pack(e)),sleep(3,function(){return Confi...
                              ^
in function "write" called from line 1 col 83
...return inpCounter.write(++n),n}catch(o){return e=o,console.l...
                              ^
in function "incInput" called from line 1 col 22
console.log(incInput(),process.memory()),sleep(5,function(){...
                     ^
in function "n" called from line 1 col 4
n(e)
   ^
in function called from system
ESSID:  aea
ESSID:  aktos-elektronik
ESSID:  Enopan
trying to connect to wifi... { 

The Out of memory error is thrown right after onInit() runs. How could it be possible?

Edit

Program is not starting at all afterwards. Giving the following error:

Loading 7981 bytes from flash...
Running onInit()...
ERROR: Out of Memory!
WARNING: Truncating string as not enough memory
Execution Interrupted during event processing.
at line 1 col 127
...[0]]=this.flash.read(t,r+4)),r+=t+7&-4,a=this.flash.read(4,r...
                              ^
in function "readAll" called from line 1 col 24
var t,e,r=this.readAll();this.flash.erasePage(this.addr),t=t...
                       ^
in function "cleanup" called from line 1 col 208
...dAddr&&(r.end=this.cleanup(),r.end+e.length+4>=this.endAddr)...
                              ^
in function "write" called from line 1 col 96
...f.write(this.fileNo,pack(e)),sleep(3,function(){return Confi...
                              ^
in function "write" called from line 1 col 83
...return inpCounter.write(++n),n}catch(o){return e=o,console.l...
                              ^
in function "incInput" called from line 1 col 22
console.log(incInput(),process.memory()),sleep(5,function(){...
                     ^
in function called from line 1 col 110
...return n(e)})}(function(){})
                              ^
in function "sim2" called from line 1 col 44
...mitFilter(),setupIo(),sim2(),sleep(1e3,function(){return con...
                              ^
in function called from system
WARNING: Truncating string as not enough memory
Execution Interrupted during event processing.
at line 1 col 127
...[0]]=this.flash.read(t,r+4)),r+=t+7&-4,a=this.flash.read(4,r...
                              ^
in function "readAll" called from line 1 col 24
var t,e,r=this.readAll();this.flash.erasePage(this.addr),t=t...
                       ^
in function "cleanup" called from line 1 col 208
...dAddr&&(r.end=this.cleanup(),r.end+e.length+4>=this.endAddr)...
                              ^
in function "write" called from line 1 col 37
Config.f.write(this.raidFile,pack(e))
                                    ^
in function called from system