Flow price: --
d6b734c625394d3238b546a213980f6f86a6696eac0f0b1f392e48c49dcdb73a

Transaction

Hash: d6b734c625394d3238b546a213980f6f86a6696eac0f0b1f392e48c49dcdb73a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d6b734c625394d3238b546a213980f6f86a6696eac0f0b1f392e48c49dcdb73a: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:
d6b734c625394d3238b546a213980f6f86a6696eac0f0b1f392e48c49dcdb73a
Status:
ERROR
Block height:
40008183
Block id:
517512dc8c692fd4a6d618f34cd89894cbbf370f9d8e2fd11543ca827e35f5e7
Timestamp:
Sunday 30 October 2022 at 21:01:57 UTC
()
Proposer:
Authorizers:
Gas used:
52