Flow price: --
7f9b00ac2648f96751c6f80cf263469b33831743af6503e11a0e0d1c321c90d0

Transaction

Hash: 7f9b00ac2648f96751c6f80cf263469b33831743af6503e11a0e0d1c321c90d0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7f9b00ac2648f96751c6f80cf263469b33831743af6503e11a0e0d1c321c90d0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7f9b00ac2648f96751c6f80cf263469b33831743af6503e11a0e0d1c321c90d0
Status:
ERROR
Block height:
39847569
Block id:
7ff7d05cf283e054d64ca3321bd395b245f5d79e249eae891f3302a842666a67
Timestamp:
Friday 28 October 2022 at 04:46:44 UTC
()
Proposer:
Authorizers:
Gas used:
52