Flow price: --
e5ccf18611c642a2d5a15560d620b8f3391e691638c250c3450d23a3333ce5cb

Transaction

Hash: e5ccf18611c642a2d5a15560d620b8f3391e691638c250c3450d23a3333ce5cb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e5ccf18611c642a2d5a15560d620b8f3391e691638c250c3450d23a3333ce5cb: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:
e5ccf18611c642a2d5a15560d620b8f3391e691638c250c3450d23a3333ce5cb
Status:
ERROR
Block height:
39869737
Block id:
b015ee8b27a9a5aa0bd8921e6f17abad863b0b52d7a51c2950e286a16ee8e057
Timestamp:
Friday 28 October 2022 at 13:43:09 UTC
()
Proposer:
Authorizers:
Gas used:
46