Flow price: --
c3a8b49f3c348eddd7f1ae1bf750be1bcd87c0988d21c0f23f1c6c5b7e3e3213

Transaction

Hash: c3a8b49f3c348eddd7f1ae1bf750be1bcd87c0988d21c0f23f1c6c5b7e3e3213
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c3a8b49f3c348eddd7f1ae1bf750be1bcd87c0988d21c0f23f1c6c5b7e3e3213:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c3a8b49f3c348eddd7f1ae1bf750be1bcd87c0988d21c0f23f1c6c5b7e3e3213
Status:
ERROR
Block height:
39865581
Block id:
29245521b3ef40df9c79ce9fb0f4f4b940f1f6b457029a84f65d7506b7937298
Timestamp:
Friday 28 October 2022 at 12:03:41 UTC
()
Proposer:
Authorizers:
Gas used:
50