Flow price: --
00506bb177a3c655b3f568117cc7e31caa056ab7fbad605002acf9a6f6455487

Transaction

Hash: 00506bb177a3c655b3f568117cc7e31caa056ab7fbad605002acf9a6f6455487
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 00506bb177a3c655b3f568117cc7e31caa056ab7fbad605002acf9a6f6455487:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
00506bb177a3c655b3f568117cc7e31caa056ab7fbad605002acf9a6f6455487
Status:
ERROR
Block height:
39746593
Block id:
fdebdf2603b928f3f4f3a02bf172deb7495994bb3154d5e2be0e759eb7e5b866
Timestamp:
Wednesday 26 October 2022 at 12:05:23 UTC
()
Proposer:
Authorizers:
Gas used:
46