Flow price: --
127abd1ee0b6b3f4479ec41684a3e56499584b94c826e22c765f888e483fd749

Transaction

Hash: 127abd1ee0b6b3f4479ec41684a3e56499584b94c826e22c765f888e483fd749
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 127abd1ee0b6b3f4479ec41684a3e56499584b94c826e22c765f888e483fd749:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
127abd1ee0b6b3f4479ec41684a3e56499584b94c826e22c765f888e483fd749
Status:
ERROR
Block height:
40137922
Block id:
ee7a78cf6f6805d376ccd4b531b8467211910179dc4c2b4a153e8cfe61117902
Timestamp:
Wednesday 2 November 2022 at 01:19:57 UTC
()
Proposer:
Authorizers:
Gas used:
50