Flow price: --
99cd6b8fa1a76fd6cbb7cbbf9c1544164260b43db903e33e5fa51239f66dad9b

Transaction

Hash: 99cd6b8fa1a76fd6cbb7cbbf9c1544164260b43db903e33e5fa51239f66dad9b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 99cd6b8fa1a76fd6cbb7cbbf9c1544164260b43db903e33e5fa51239f66dad9b: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:
99cd6b8fa1a76fd6cbb7cbbf9c1544164260b43db903e33e5fa51239f66dad9b
Status:
ERROR
Block height:
40032771
Block id:
b14527a694cdfccd968ebead50131a50edafecc95d4ed09ec31bddc99cbaf6eb
Timestamp:
Monday 31 October 2022 at 06:50:33 UTC
()
Proposer:
Authorizers:
Gas used:
46