Flow price: --
d32bcf5e87b34a6a51486d31636b1c534701ed09ba151a954f18e2f5a7369338

Transaction

Hash: d32bcf5e87b34a6a51486d31636b1c534701ed09ba151a954f18e2f5a7369338
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d32bcf5e87b34a6a51486d31636b1c534701ed09ba151a954f18e2f5a7369338:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d32bcf5e87b34a6a51486d31636b1c534701ed09ba151a954f18e2f5a7369338
Status:
ERROR
Block height:
39913305
Block id:
8891843ba8f646141a20a07bda703dbef4a572ecc882303a319e738d1cdc18b2
Timestamp:
Saturday 29 October 2022 at 07:05:35 UTC
()
Proposer:
Authorizers:
Gas used:
46