Flow price: --
d0d01d90b1e69e49395b3a80bf90cbd12ef87748100e3fe534ce911e9ac325e5

Transaction

Hash: d0d01d90b1e69e49395b3a80bf90cbd12ef87748100e3fe534ce911e9ac325e5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d0d01d90b1e69e49395b3a80bf90cbd12ef87748100e3fe534ce911e9ac325e5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d0d01d90b1e69e49395b3a80bf90cbd12ef87748100e3fe534ce911e9ac325e5
Status:
ERROR
Block height:
39977477
Block id:
4e3b957fda69f8e13e46d53c17c7b5d1381e61c42889a2a7ef541073bcfdee31
Timestamp:
Sunday 30 October 2022 at 08:45:12 UTC
()
Proposer:
Authorizers:
Gas used:
50