Flow price: --
54c321e702bc937e01a9b63806e4229209315334c8590ddc93b52f981a68cc7e

Transaction

Hash: 54c321e702bc937e01a9b63806e4229209315334c8590ddc93b52f981a68cc7e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 54c321e702bc937e01a9b63806e4229209315334c8590ddc93b52f981a68cc7e: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:
54c321e702bc937e01a9b63806e4229209315334c8590ddc93b52f981a68cc7e
Status:
ERROR
Block height:
40041611
Block id:
1de190628bb5e9ca078ecd6b71248a06540caabecb1d47532a797d0bea6899ab
Timestamp:
Monday 31 October 2022 at 10:23:24 UTC
()
Proposer:
Authorizers:
Gas used:
49