Flow price: --
7e1f61e481cbcd257bd0e7d65e40bb2de3d6a3b234aea4a12eba50c2ef1ee524

Transaction

Hash: 7e1f61e481cbcd257bd0e7d65e40bb2de3d6a3b234aea4a12eba50c2ef1ee524
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7e1f61e481cbcd257bd0e7d65e40bb2de3d6a3b234aea4a12eba50c2ef1ee524:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7e1f61e481cbcd257bd0e7d65e40bb2de3d6a3b234aea4a12eba50c2ef1ee524
Status:
ERROR
Block height:
40061611
Block id:
bc1507e78ad309e17ebc94127e75950747bb48e0709b076cd497221e1c293174
Timestamp:
Monday 31 October 2022 at 18:28:22 UTC
()
Proposer:
Authorizers:
Gas used:
50