Flow price: --
b26c2e038327ef999c7ff8f8f8b3ece9221b2a4777730876e1526156850cd551

Transaction

Hash: b26c2e038327ef999c7ff8f8f8b3ece9221b2a4777730876e1526156850cd551
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b26c2e038327ef999c7ff8f8f8b3ece9221b2a4777730876e1526156850cd551:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b26c2e038327ef999c7ff8f8f8b3ece9221b2a4777730876e1526156850cd551
Status:
ERROR
Block height:
39732895
Block id:
ac464d0730d4803447866e3e9a8095519b027a46b964ebfe213da3400fbb9424
Timestamp:
Wednesday 26 October 2022 at 06:33:37 UTC
()
Proposer:
Authorizers:
Gas used:
46