Flow price: --
fd9256a14451bc9b008d0b894f635b16886ea8acd9355b2c177c22302a35669e

Transaction

Hash: fd9256a14451bc9b008d0b894f635b16886ea8acd9355b2c177c22302a35669e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fd9256a14451bc9b008d0b894f635b16886ea8acd9355b2c177c22302a35669e: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:
fd9256a14451bc9b008d0b894f635b16886ea8acd9355b2c177c22302a35669e
Status:
ERROR
Block height:
39877206
Block id:
3d992b19ad8137e6e8356af4d4634107ef40ba296299f5064d3449474f575d93
Timestamp:
Friday 28 October 2022 at 16:42:24 UTC
()
Proposer:
Authorizers:
Gas used:
49