Flow price: --
64af3ab6a27abeb1789a2073d3a4f5051f69216296e12e0ce5e7cd5cd99b90b2

Transaction

Hash: 64af3ab6a27abeb1789a2073d3a4f5051f69216296e12e0ce5e7cd5cd99b90b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64af3ab6a27abeb1789a2073d3a4f5051f69216296e12e0ce5e7cd5cd99b90b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64af3ab6a27abeb1789a2073d3a4f5051f69216296e12e0ce5e7cd5cd99b90b2
Status:
ERROR
Block height:
40097987
Block id:
5a87620868fed656f75d53633a92d13c73982909d5909d91f6004558613d7c0f
Timestamp:
Tuesday 1 November 2022 at 09:06:29 UTC
()
Proposer:
Authorizers:
Gas used:
46