Flow price: --
17f83d14aaf883926dc643de9d8641b62f2731d8742220b8e3be3e3d9b82ed89

Transaction

Hash: 17f83d14aaf883926dc643de9d8641b62f2731d8742220b8e3be3e3d9b82ed89
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17f83d14aaf883926dc643de9d8641b62f2731d8742220b8e3be3e3d9b82ed89:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
17f83d14aaf883926dc643de9d8641b62f2731d8742220b8e3be3e3d9b82ed89
Status:
ERROR
Block height:
40114088
Block id:
5da08ce51a930a35a2716fd53c0129506905e5f0902a8bbac2fd4bccfa024e8a
Timestamp:
Tuesday 1 November 2022 at 15:37:03 UTC
()
Proposer:
Authorizers:
Gas used:
47