Flow price: --
d2f7f9ef4b4ee31e2a9e9f937228cfe1b1efb1ddce8d4ff73aca75b58b02b607

Transaction

Hash: d2f7f9ef4b4ee31e2a9e9f937228cfe1b1efb1ddce8d4ff73aca75b58b02b607
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> d2f7f9ef4b4ee31e2a9e9f937228cfe1b1efb1ddce8d4ff73aca75b58b02b607:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
d2f7f9ef4b4ee31e2a9e9f937228cfe1b1efb1ddce8d4ff73aca75b58b02b607
Status:
ERROR
Block height:
41317410
Block id:
a4779603cf068e581ac8fdbada773b5833103201dab4c3a2e2ec81ce2c5b1c0d
Timestamp:
Monday 21 November 2022 at 14:53:02 UTC
()
Proposer:
Authorizers:
Gas used:
23