GLB B1: an exception occurred: nl.copernicus.niklas.module.includes.NiklasTransformerException: GLB socket error response received: :E002:T530:XXXX: wrong format for a specific tag
T530 in this error message signifies that GLS has an issue with the value of the shipment. The value that causes the issue is usually shown instead of XXXX. Please note that a box is allowed to be 31 kg at the most and needs to be 0,5 kg at the very least. Adjust your shipment accordingly to be able to book it. You can adjust the package type or the weight to this end.
Should you need further assistance with this issue, please do not hesitate to contact us at email@example.com and please send us the reference of the shipment that you're experiencing issues with.