Cawbird and videos

Hi there, Started using Cawbird and got problems reading videos, got the following message : “gstdecodebin2.c(4694): gst_decode_bin_expose (): /GstPlayBin:video/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin0:
all streams without buffers”.
What am I supposed to do now ?
Thanks

try asking the snap authors:

$ snap info cawbird|grep contact
contact:   https://github.com/diddlesnaps/cawbird/issues