Barcode for "GE620034" is unreadable.

[jenshoerburger]

Thats really funny. A barcode with this content GE620034 or GE619854 ist NOT readable. If I add a space as first letter, it works.

Here the version without space, created with the Live Demo Page:

And this is with space:

Tried different barcode scanners. Very strange

[edun0760]

with this content MM0191-KM0003038 or MM0191-KM0003369 in not readable ,and MM0191-KM0003039 is ok and MM0191-KM0003368 is ok ,

[naomai]

Probably an edge case, which causes the checksum to be calculated incorrrectly. I compared the generated code with result from froatsnook/bardcode, and it only differs a few modules right before the stop code.