Flow price: --
3739ffef9362fb35e0d55e96caa3f09f7f3176231ccb78c093ec5a5a552af4de

Transaction

Hash: 3739ffef9362fb35e0d55e96caa3f09f7f3176231ccb78c093ec5a5a552af4de
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3739ffef9362fb35e0d55e96caa3f09f7f3176231ccb78c093ec5a5a552af4de: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:
3739ffef9362fb35e0d55e96caa3f09f7f3176231ccb78c093ec5a5a552af4de
Status:
ERROR
Block height:
39993169
Block id:
40f3f9e6dc169d710b028724cde58fef59a754ec1b25fb051a0f987e4c68638c
Timestamp:
Sunday 30 October 2022 at 15:01:36 UTC
()
Proposer:
Authorizers:
Gas used:
47