Flow price: --
c9f1e81146293cbb96eb5d9a4e96edf567bd75f69e34a23064536a668302fd0f

Transaction

Hash: c9f1e81146293cbb96eb5d9a4e96edf567bd75f69e34a23064536a668302fd0f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c9f1e81146293cbb96eb5d9a4e96edf567bd75f69e34a23064536a668302fd0f: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:
c9f1e81146293cbb96eb5d9a4e96edf567bd75f69e34a23064536a668302fd0f
Status:
ERROR
Block height:
39780434
Block id:
a9333e6032189364acff758ca7494b66eeeb331b3d0acdf2c5e46e030af16db6
Timestamp:
Thursday 27 October 2022 at 01:42:16 UTC
()
Proposer:
Authorizers:
Gas used:
47