Flow price: --
5cd1bc20937980e770e0aba4a99123f4d706c073eed7a8ad2f009f788d02e1f8

Transaction

Hash: 5cd1bc20937980e770e0aba4a99123f4d706c073eed7a8ad2f009f788d02e1f8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5cd1bc20937980e770e0aba4a99123f4d706c073eed7a8ad2f009f788d02e1f8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5cd1bc20937980e770e0aba4a99123f4d706c073eed7a8ad2f009f788d02e1f8
Status:
ERROR
Block height:
39808649
Block id:
2ec35e17f9b8871ffd58a3a0544a3f2207fe38d9513aef1f755f90c4c7b4b8fa
Timestamp:
Thursday 27 October 2022 at 13:05:13 UTC
()
Proposer:
Authorizers:
Gas used:
47