Flow price: --
d209466fbfb39d010011a07e49aef25658ea9ea17954ef6607250cf03fb3c6a1

Transaction

Hash: d209466fbfb39d010011a07e49aef25658ea9ea17954ef6607250cf03fb3c6a1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d209466fbfb39d010011a07e49aef25658ea9ea17954ef6607250cf03fb3c6a1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d209466fbfb39d010011a07e49aef25658ea9ea17954ef6607250cf03fb3c6a1
Status:
ERROR
Block height:
39990341
Block id:
2cd9209c7857d435d13ea1c0165067c23c3d617e45dcc8b551f57cd14dee8ac9
Timestamp:
Sunday 30 October 2022 at 13:53:51 UTC
()
Proposer:
Authorizers:
Gas used:
47