Flow price: --
5105fb7e98b76852704131eb07b2ab6af33e503226923d1b7b4d218feca1d563

Transaction

Hash: 5105fb7e98b76852704131eb07b2ab6af33e503226923d1b7b4d218feca1d563
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5105fb7e98b76852704131eb07b2ab6af33e503226923d1b7b4d218feca1d563:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5105fb7e98b76852704131eb07b2ab6af33e503226923d1b7b4d218feca1d563
Status:
ERROR
Block height:
39747212
Block id:
b16d51a3e1430cb160c3af7cdb5d54ac4d93d2f9a51638b1e7f7fb6afda1ac95
Timestamp:
Wednesday 26 October 2022 at 12:20:11 UTC
()
Proposer:
Authorizers:
Gas used:
47