Bytes16 field data is reported as all zeros

See query https://dune.xyz/queries/566484 for a contract in Polygon Matic. The query results for the bytes16 field is all-zeros, but it can be see here https://polygonscan.com/tx/0x1cbb2283549c90da28d2808d712b3aabee398102b9bd826e7392738742f19176#eventlog that there are events with non-zero data.