diff --git a/app/lib/mscript/TODO.md b/app/lib/mscript/TODO.md
index 35d14cc..b0f824f 100644
--- a/app/lib/mscript/TODO.md
+++ b/app/lib/mscript/TODO.md
@@ -7,4 +7,7 @@ Bash-like variables?
 Similar to LESS/SASS?
 Makes a tokenization easier
 
-@ is better than $
\ No newline at end of file
+@ is better than $
+
+RangeError: Invalid array length
+    at Mscript.str_to_arr (./mcopy/app/lib/mscript/index.js:474:9)