A problem Occurred Please help ... etc

A problem Occurred

Please help us to fix it by copying the following text and pasting it into a new post on https://forum.glyphsapp.com. Thanks!

text: ‘مﺰج مزح مزخ مزع مزغ
مرج مرح مرخ مرع مرغ’ (__NSCFString), length: 40, string: ’
{
}’ (NSConcreteAttributedString), length: 1, range: {41, 0}

NSRangeException

NSMutableRLEArray insertObject:range:: Out of bounds

(
“3 Foundation 0x00007fff38bd49de -[NSConcreteMutableAttributedString replaceCharactersInRange:withAttributedString:] + 237”,
“4 Glyphs 0x000000010585034a Glyphs + 332618”,
“5 TextTool 0x000000010b99bd41 TextTool + 27969”,
“6 AppKit 0x00007fff339f1ff4 -[NSResponder doCommandBySelector:] + 278”,
“7 AppKit 0x00007fff3398bc05 -[NSTextInputContext(NSInputContext_WithCompletion) doCommandBySelector:completionHandler:] + 244”,
“8 AppKit 0x00007fff33982645 -[NSKeyBindingManager(NSKeyBindingManager_MultiClients) interpretEventAsCommand:forClient:] + 2195”,
“9 AppKit 0x00007fff34069c76 __84-[NSTextInputContext _handleEvent:options:allowingSyntheticEvent:completionHandler:]_block_invoke_5 + 543”
)

What i was trying to do is putting the curser at the end of that letters then write or hit enter to go to a new line.
I have filled in the kerning values for the letters. then cannot write new letters on that view

We are working on it.