Flow price: --
678ba56f4b2b7632be011f4bd3d8f438166786f86638754abd3e76dbe3cd13fd

Transaction

Hash: 678ba56f4b2b7632be011f4bd3d8f438166786f86638754abd3e76dbe3cd13fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 678ba56f4b2b7632be011f4bd3d8f438166786f86638754abd3e76dbe3cd13fd: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:
678ba56f4b2b7632be011f4bd3d8f438166786f86638754abd3e76dbe3cd13fd
Status:
ERROR
Block height:
40049205
Block id:
57d2bec156a3d42b554b28f3e25345f5e2a5c039555efed7170be4c340cdc471
Timestamp:
Monday 31 October 2022 at 13:26:55 UTC
()
Proposer:
Authorizers:
Gas used:
52