Flow price: --
d87a640b5e3196b84d999e43c078d85ec3063fd265f367a4a8aea3719151122d

Transaction

Hash: d87a640b5e3196b84d999e43c078d85ec3063fd265f367a4a8aea3719151122d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d87a640b5e3196b84d999e43c078d85ec3063fd265f367a4a8aea3719151122d: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:
d87a640b5e3196b84d999e43c078d85ec3063fd265f367a4a8aea3719151122d
Status:
ERROR
Block height:
39801755
Block id:
111c178e95f6e5d8aba5a0014ff17b28220c8d640bf4cd0e174b9b04c53e5f8a
Timestamp:
Thursday 27 October 2022 at 10:17:27 UTC
()
Proposer:
Authorizers:
Gas used:
49