error para correr codigo para cubo led 8x8x8

buenas! tengo problemas para correr un código por que me salen estos errores y nose como corregirlos

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '255' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '255' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '227' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '193' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '193' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '193' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '227' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '255' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '255' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '255' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '227' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '221' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '221' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '221' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '227' from 'int' to 'char' inside { } [-Wnarrowing]

C:\Users\WILLIAM\Documents\Arduino\sketch_jul05a\sketch_jul05a.ino:1428:1: warning: narrowing conversion of '255' from 'int' to 'char' inside { } [-Wnarrowing]

ayuda por favot

Hola , el problema está en su código . Por favor envíe su código para que podamos solucionar el problema.
lo siento si suena extraña , he usado Google Translate.

hola yo tengo el mismo problema y no se que hacer

CODIGO.ino (109 KB)

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