Flow price: --
d4f3503a84f8c3e3557e5ed9bfaea1286b396a02ee06a8506d95ec63f118e599

Transaction

Hash: d4f3503a84f8c3e3557e5ed9bfaea1286b396a02ee06a8506d95ec63f118e599
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d4f3503a84f8c3e3557e5ed9bfaea1286b396a02ee06a8506d95ec63f118e599:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d4f3503a84f8c3e3557e5ed9bfaea1286b396a02ee06a8506d95ec63f118e599
Status:
ERROR
Block height:
39896458
Block id:
d61225e707f5eab0ef7999da1f549d2083bc41c3a6ce00f6d7b35cd35459f568
Timestamp:
Saturday 29 October 2022 at 00:21:10 UTC
()
Proposer:
Authorizers:
Gas used:
46