Flow price: --
89fe11db3835ac43d63d5c2054a26a46d7a9e8c68ffcc2f9d44939b89db4b8b2

Transaction

Hash: 89fe11db3835ac43d63d5c2054a26a46d7a9e8c68ffcc2f9d44939b89db4b8b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 89fe11db3835ac43d63d5c2054a26a46d7a9e8c68ffcc2f9d44939b89db4b8b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
89fe11db3835ac43d63d5c2054a26a46d7a9e8c68ffcc2f9d44939b89db4b8b2
Status:
ERROR
Block height:
39996960
Block id:
dd93b4161849e26b4087cc9c45c448d0174b797bebd47bf413110746099ea6a9
Timestamp:
Sunday 30 October 2022 at 16:32:48 UTC
()
Proposer:
Authorizers:
Gas used:
50