Flow price: --
ef327e2e5a8ea7743d1c51210763d5e41bc2ff84004d4b6f2114344e1b508cc0

Transaction

Hash: ef327e2e5a8ea7743d1c51210763d5e41bc2ff84004d4b6f2114344e1b508cc0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ef327e2e5a8ea7743d1c51210763d5e41bc2ff84004d4b6f2114344e1b508cc0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ef327e2e5a8ea7743d1c51210763d5e41bc2ff84004d4b6f2114344e1b508cc0
Status:
ERROR
Block height:
39957429
Block id:
baf6d85a641cc1c6ba54f5a027a60eb43efa49c9fc1a8d4d561ff76de937f6d5
Timestamp:
Sunday 30 October 2022 at 00:44:38 UTC
()
Proposer:
Authorizers:
Gas used:
68