Flow price: --
258d66e69ccae4c413f643e6ce601b9b78548a5809c01a0d185d074cbb6f7836

Transaction

Hash: 258d66e69ccae4c413f643e6ce601b9b78548a5809c01a0d185d074cbb6f7836
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 258d66e69ccae4c413f643e6ce601b9b78548a5809c01a0d185d074cbb6f7836:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
258d66e69ccae4c413f643e6ce601b9b78548a5809c01a0d185d074cbb6f7836
Status:
ERROR
Block height:
39960543
Block id:
8180163e930091ad447bc06a82a405a19f983e1202a435519a5a64ce7045d37c
Timestamp:
Sunday 30 October 2022 at 01:58:40 UTC
()
Proposer:
Authorizers:
Gas used:
48