Flow price: --
a9ab02bf050f36f07ca9335f5728e237b34ad5a0d395899ff7aa065ed3ae66a9

Transaction

Hash: a9ab02bf050f36f07ca9335f5728e237b34ad5a0d395899ff7aa065ed3ae66a9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a9ab02bf050f36f07ca9335f5728e237b34ad5a0d395899ff7aa065ed3ae66a9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a9ab02bf050f36f07ca9335f5728e237b34ad5a0d395899ff7aa065ed3ae66a9
Status:
ERROR
Block height:
40029833
Block id:
32ee93dfec753c4b6f46c2b14bdc4d4f989e4c2754bc2fb13a274e9355589c03
Timestamp:
Monday 31 October 2022 at 05:39:20 UTC
()
Proposer:
Authorizers:
Gas used:
49