Flow price: --
1ff98c2607cea913a7d32588a22857c37a8920f0289dae2b16d2cc7b15a25481

Transaction

Hash: 1ff98c2607cea913a7d32588a22857c37a8920f0289dae2b16d2cc7b15a25481
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1ff98c2607cea913a7d32588a22857c37a8920f0289dae2b16d2cc7b15a25481:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1ff98c2607cea913a7d32588a22857c37a8920f0289dae2b16d2cc7b15a25481
Status:
ERROR
Block height:
39863434
Block id:
45f680d90574d9e0c4b70d89be3679b6836e8e0eb66fb84f7ab57e32f41b1a32
Timestamp:
Friday 28 October 2022 at 11:11:34 UTC
()
Proposer:
Authorizers:
Gas used:
50