Flow price: --
8660fced2a0aad331cbeef7559c6c6ba6e1d3a4fd77ca2eef6a83d8a6ae47bfd

Transaction

Hash: 8660fced2a0aad331cbeef7559c6c6ba6e1d3a4fd77ca2eef6a83d8a6ae47bfd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8660fced2a0aad331cbeef7559c6c6ba6e1d3a4fd77ca2eef6a83d8a6ae47bfd: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:
8660fced2a0aad331cbeef7559c6c6ba6e1d3a4fd77ca2eef6a83d8a6ae47bfd
Status:
ERROR
Block height:
40154121
Block id:
3b045a6ce9e0054ef50fe3c89ab6d431c883d428f52402ef26b1d9b106ed95bd
Timestamp:
Wednesday 2 November 2022 at 07:55:08 UTC
()
Proposer:
Authorizers:
Gas used:
63