Flow price: --
515a6c6d8f8b9e1a8a2e7e716be50eaac1b2df5c8c9912982d31c5daa41a8120

Transaction

Hash: 515a6c6d8f8b9e1a8a2e7e716be50eaac1b2df5c8c9912982d31c5daa41a8120
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 515a6c6d8f8b9e1a8a2e7e716be50eaac1b2df5c8c9912982d31c5daa41a8120:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
515a6c6d8f8b9e1a8a2e7e716be50eaac1b2df5c8c9912982d31c5daa41a8120
Status:
ERROR
Block height:
39756437
Block id:
89834362a9bb9af2112f53651377d07125fe00aa0756bd47933754924b593f51
Timestamp:
Wednesday 26 October 2022 at 16:01:46 UTC
()
Proposer:
Authorizers:
Gas used:
48