Flow price: --
d3c12cae53df33be140e1bf7c0496da3f68e13e522d09a5892434f0ffc4dbe10

Transaction

Hash: d3c12cae53df33be140e1bf7c0496da3f68e13e522d09a5892434f0ffc4dbe10
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d3c12cae53df33be140e1bf7c0496da3f68e13e522d09a5892434f0ffc4dbe10:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d3c12cae53df33be140e1bf7c0496da3f68e13e522d09a5892434f0ffc4dbe10
Status:
ERROR
Block height:
40119401
Block id:
e3fd8b09729d3489085ccdd0078c64e2d486500dd48f5f6f2f8008d1cdf70142
Timestamp:
Tuesday 1 November 2022 at 17:46:36 UTC
()
Proposer:
Authorizers:
Gas used:
51