from zellic:

The prefix is not removed from the incoming denom when Astria was the original source This means the asset will have a different id and the escrow balance key will not match as it was set using the unprefixed denom id. -

astria/crates/astria-sequencer/src/ibc/ics20_transfer.rs

Lines 345 to 347 in bf60d57

	if is_source(source_port, source_channel, &denom, is_refund) {
	// sender of packet (us) was the source chain
	// subtract balance from escrow account and transfer to user