Flow price: --
9900ebfb7b604f593a0443a0cf1c9f760cfc8b4ab422f3ceb01f2ebf10e9c171

Transaction

Hash: 9900ebfb7b604f593a0443a0cf1c9f760cfc8b4ab422f3ceb01f2ebf10e9c171
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9900ebfb7b604f593a0443a0cf1c9f760cfc8b4ab422f3ceb01f2ebf10e9c171:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9900ebfb7b604f593a0443a0cf1c9f760cfc8b4ab422f3ceb01f2ebf10e9c171
Status:
ERROR
Block height:
39927292
Block id:
6ca37c2affd6f1bd10856a25572d79889b746cc6c9116d9b736bfb83aba58af3
Timestamp:
Saturday 29 October 2022 at 12:43:24 UTC
()
Proposer:
Authorizers:
Gas used:
46