Flow price: --
d65b480c739c637deb4cc048ddf6f4396b0f5b08b9a8fe49aef13120edf4c397

Transaction

Hash: d65b480c739c637deb4cc048ddf6f4396b0f5b08b9a8fe49aef13120edf4c397
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d65b480c739c637deb4cc048ddf6f4396b0f5b08b9a8fe49aef13120edf4c397:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d65b480c739c637deb4cc048ddf6f4396b0f5b08b9a8fe49aef13120edf4c397
Status:
ERROR
Block height:
39927676
Block id:
d2eaf76e7aba95737908e44198b11fa62ce2a2d65688f5016e0c598bc9e438db
Timestamp:
Saturday 29 October 2022 at 12:52:46 UTC
()
Proposer:
Authorizers:
Gas used:
47