Flow price: --
a6b38e84faafd2d43c6c9218aa39ac10a10a17d7a0864445a646c5a098a07ffd

Transaction

Hash: a6b38e84faafd2d43c6c9218aa39ac10a10a17d7a0864445a646c5a098a07ffd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a6b38e84faafd2d43c6c9218aa39ac10a10a17d7a0864445a646c5a098a07ffd: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:
a6b38e84faafd2d43c6c9218aa39ac10a10a17d7a0864445a646c5a098a07ffd
Status:
ERROR
Block height:
39980880
Block id:
8e9410b2f95c48921d3b8c538838238b6f4b1ff435e7c6e37aaf147094129596
Timestamp:
Sunday 30 October 2022 at 10:06:34 UTC
()
Proposer:
Authorizers:
Gas used:
50