Flow price: --
bd9624d0bab92e7f24500990cec1402d6e1fb5a308cfb9da241f24a079b018c6

Transaction

Hash: bd9624d0bab92e7f24500990cec1402d6e1fb5a308cfb9da241f24a079b018c6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd9624d0bab92e7f24500990cec1402d6e1fb5a308cfb9da241f24a079b018c6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bd9624d0bab92e7f24500990cec1402d6e1fb5a308cfb9da241f24a079b018c6
Status:
ERROR
Block height:
40100995
Block id:
753230ae39a386b7c573709377bdb07518d4913f193898182310b58618434362
Timestamp:
Tuesday 1 November 2022 at 10:19:16 UTC
()
Proposer:
Authorizers:
Gas used:
49