Flow price: --
83e9367452c216e6fe72d493e0cf744973906a9c242a9fb2241d7c9828b1c27a

Transaction

Hash: 83e9367452c216e6fe72d493e0cf744973906a9c242a9fb2241d7c9828b1c27a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 83e9367452c216e6fe72d493e0cf744973906a9c242a9fb2241d7c9828b1c27a: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:
83e9367452c216e6fe72d493e0cf744973906a9c242a9fb2241d7c9828b1c27a
Status:
ERROR
Block height:
40105005
Block id:
4d927fdd58b88d11890265fae5d4c17c82844883d068752f043dd1abc7b2d334
Timestamp:
Tuesday 1 November 2022 at 11:56:50 UTC
()
Proposer:
Authorizers:
Gas used:
47