Flow price: --
941b5a93afa9dcf889361d139c50a4f57b1add2f2487a75125bc14c62f0b69a5

Transaction

Hash: 941b5a93afa9dcf889361d139c50a4f57b1add2f2487a75125bc14c62f0b69a5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 941b5a93afa9dcf889361d139c50a4f57b1add2f2487a75125bc14c62f0b69a5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
941b5a93afa9dcf889361d139c50a4f57b1add2f2487a75125bc14c62f0b69a5
Status:
ERROR
Block height:
40002179
Block id:
2d2d71f5a63327d0f3adfdee13a97af649afb37fcdfbbee6bd81dcfaca2aba67
Timestamp:
Sunday 30 October 2022 at 18:38:42 UTC
()
Proposer:
Authorizers:
Gas used:
50