Help error not working

Arduino: 1.6.10 (Mac OS X), Board: "Arduino/Genuino Uno"

failed MSpanList_Insert 0x310000 0x3a7ef68e9cce 0x0
fatal error: MSpanList_Insert

runtime stack:
runtime.throw(0x2b050b)
/usr/local/go/src/runtime/panic.go:491 +0xad fp=0x7ffeefbff230 sp=0x7ffeefbff200
runtime.MSpanList_Insert(0x2ce168, 0x310000)
/usr/local/go/src/runtime/mheap.c:692 +0x8f fp=0x7ffeefbff258 sp=0x7ffeefbff230
MHeap_FreeSpanLocked(0x2cad60, 0x310000, 0x100)
/usr/local/go/src/runtime/mheap.c:583 +0x163 fp=0x7ffeefbff298 sp=0x7ffeefbff258
MHeap_Grow(0x2cad60, 0x8, 0x0)
/usr/local/go/src/runtime/mheap.c:420 +0x1a8 fp=0x7ffeefbff2d8 sp=0x7ffeefbff298
MHeap_AllocSpanLocked(0x2cad60, 0x1, 0x1)
/usr/local/go/src/runtime/mheap.c:298 +0x365 fp=0x7ffeefbff318 sp=0x7ffeefbff2d8
mheap_alloc(0x2cad60, 0x1, 0x7f0000000012, 0x2afd000)
/usr/local/go/src/runtime/mheap.c:190 +0x121 fp=0x7ffeefbff340 sp=0x7ffeefbff318
runtime.MHeap_Alloc(0x2cad60, 0x1, 0x10000000012, 0xf989)
/usr/local/go/src/runtime/mheap.c:240 +0x66 fp=0x7ffeefbff378 sp=0x7ffeefbff340
MCentral_Grow(0x2d2ad8, 0x7ffeefbff468)
/usr/local/go/src/runtime/mcentral.c:197 +0x8b fp=0x7ffeefbff3e0 sp=0x7ffeefbff378
runtime.MCentral_CacheSpan(0x2d2ad8, 0x1007ffeefbff498)
/usr/local/go/src/runtime/mcentral.c:85 +0x167 fp=0x7ffeefbff418 sp=0x7ffeefbff3e0
runtime.MCache_Refill(0x30c000, 0x7ffe00000012, 0x7ffeefbff4e0)
/usr/local/go/src/runtime/mcache.c:90 +0xa0 fp=0x7ffeefbff440 sp=0x7ffeefbff418
runtime.mcacheRefill_m()
/usr/local/go/src/runtime/malloc.c:368 +0x57 fp=0x7ffeefbff460 sp=0x7ffeefbff440
runtime.onM(0x226d78)
/usr/local/go/src/runtime/asm_amd64.s:273 +0x9a fp=0x7ffeefbff468 sp=0x7ffeefbff460
runtime.mallocgc(0x120, 0x1c0540, 0x0, 0x0)
/usr/local/go/src/runtime/malloc.go:178 +0x849 fp=0x7ffeefbff518 sp=0x7ffeefbff468
runtime.newobject(0x1c0540, 0x30c000)
/usr/local/go/src/runtime/malloc.go:353 +0x49 fp=0x7ffeefbff540 sp=0x7ffeefbff518
runtime.newG(0x276ba)
/usr/local/go/src/runtime/proc.go:233 +0x2a fp=0x7ffeefbff558 sp=0x7ffeefbff540
allocg(0x2bd660)
/usr/local/go/src/runtime/proc.c:925 +0x1f fp=0x7ffeefbff568 sp=0x7ffeefbff558
runtime.malg(0x8000, 0x2bd700)
/usr/local/go/src/runtime/proc.c:2106 +0x1f fp=0x7ffeefbff598 sp=0x7ffeefbff568
runtime.mpreinit(0x2bdac0)
/usr/local/go/src/runtime/os_darwin.c:137 +0x27 fp=0x7ffeefbff5b0 sp=0x7ffeefbff598
mcommoninit(0x2bdac0)
/usr/local/go/src/runtime/proc.c:201 +0xc9 fp=0x7ffeefbff5d8 sp=0x7ffeefbff5b0
runtime.schedinit()
/usr/local/go/src/runtime/proc.c:138 +0x55 fp=0x7ffeefbff600 sp=0x7ffeefbff5d8
runtime.rt0_go(0x7ffeefbff630, 0x15, 0x7ffeefbff630, 0x0, 0x15, 0x7ffeefbff858, 0x7ffeefbff8f3, 0x7ffeefbff8ff, 0x7ffeefbff90f, 0x7ffeefbff919, ...)
/usr/local/go/src/runtime/asm_amd64.s:95 +0x116 fp=0x7ffeefbff608 sp=0x7ffeefbff600
arduino-builder returned 2

Error compiling for board Arduino/Genuino Uno.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

Plenty of hits :wink: arduino failed MSpanList_Insert - Google Search

And here are some bug reports: Issues · arduino/Arduino · GitHub

Your issue might have been solved in a newer version of the IDE; I suggest that you download a 1.8.x version (1.8.16 is the latest at the time of this writing) from https://www.arduino.cc/en/software.

1 Like

thanks alot

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