Flow price: --
3b799e0ef2efa58134fb5b4cb153e79b52b4e6f398b1c28ba78ae937e538efe4

Transaction

Hash: 3b799e0ef2efa58134fb5b4cb153e79b52b4e6f398b1c28ba78ae937e538efe4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3b799e0ef2efa58134fb5b4cb153e79b52b4e6f398b1c28ba78ae937e538efe4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3b799e0ef2efa58134fb5b4cb153e79b52b4e6f398b1c28ba78ae937e538efe4
Status:
ERROR
Block height:
39980516
Block id:
da604c4be872f579a979fdb557e55f0d9fd7244c346cd11700cb8ecd8fc67987
Timestamp:
Sunday 30 October 2022 at 09:57:54 UTC
()
Proposer:
Authorizers:
Gas used:
48