Flow price: --
000daaf7dee3f0b47097f6985eb617995e231bcf9540bc7068a4c5a230063cba

Transaction

Hash: 000daaf7dee3f0b47097f6985eb617995e231bcf9540bc7068a4c5a230063cba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 000daaf7dee3f0b47097f6985eb617995e231bcf9540bc7068a4c5a230063cba: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:
000daaf7dee3f0b47097f6985eb617995e231bcf9540bc7068a4c5a230063cba
Status:
ERROR
Block height:
40119611
Block id:
1fb820326274f83ca75e1a14fc92dbd1325b37237a4987214adae84d9faaafb6
Timestamp:
Tuesday 1 November 2022 at 17:51:45 UTC
()
Proposer:
Authorizers:
Gas used:
49