Flow price: --
070be754ce331ab36eb9fba358e3dbfdbbb11233b77d72a5386e16d9fc397ea9

Transaction

Hash: 070be754ce331ab36eb9fba358e3dbfdbbb11233b77d72a5386e16d9fc397ea9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 070be754ce331ab36eb9fba358e3dbfdbbb11233b77d72a5386e16d9fc397ea9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
070be754ce331ab36eb9fba358e3dbfdbbb11233b77d72a5386e16d9fc397ea9
Status:
ERROR
Block height:
40141555
Block id:
47a4d88f98382feddd0bdd30811eafb2d7ab4db02393ca7dbec1e6f756ae8a9e
Timestamp:
Wednesday 2 November 2022 at 02:48:35 UTC
()
Proposer:
Authorizers:
Gas used:
47