Comma splice in error string

The string “Error, balance may be incorrect.” forms a comma splice. Instead of a comma, a colon would be more appropriate and more consistent with other messages.

A semicolon, an em-dash, or a new sentence would also be more grammatically correct here than a comma.

#: ..\..\apps\launcher\src\routes\Products\routes\Play\components\MinecoinBalance\MinecoinBalance.tsx:228