Flow price: --
64af2629b4e6fbe35c58aa0e0177f9ec735cdb4582fe0736d2b1bfe99ba4e441

Transaction

Hash: 64af2629b4e6fbe35c58aa0e0177f9ec735cdb4582fe0736d2b1bfe99ba4e441
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64af2629b4e6fbe35c58aa0e0177f9ec735cdb4582fe0736d2b1bfe99ba4e441:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64af2629b4e6fbe35c58aa0e0177f9ec735cdb4582fe0736d2b1bfe99ba4e441
Status:
ERROR
Block height:
40164454
Block id:
fc91d44e782b0f6c40a52958dca8d982aac3fefea15e72bbb9e85b7cfb1cec98
Timestamp:
Wednesday 2 November 2022 at 12:06:45 UTC
()
Proposer:
Authorizers:
Gas used:
50