Flow price: --
0f7b2373aaff99426a516d7e26a60e290d74c17c5d95321bcc0a0286e477fdc2

Transaction

Hash: 0f7b2373aaff99426a516d7e26a60e290d74c17c5d95321bcc0a0286e477fdc2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0f7b2373aaff99426a516d7e26a60e290d74c17c5d95321bcc0a0286e477fdc2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0f7b2373aaff99426a516d7e26a60e290d74c17c5d95321bcc0a0286e477fdc2
Status:
ERROR
Block height:
40158465
Block id:
7a301332e97d1194a5b633aae839c7fabb2dd8455c4ec2485d72d7df29bee0dc
Timestamp:
Wednesday 2 November 2022 at 09:40:43 UTC
()
Proposer:
Authorizers:
Gas used:
50