Flow price: --
eecb3a5b1cd81d1d6f916142e41e2a6727588816e9f940fea860bc48982966f4

Transaction

Hash: eecb3a5b1cd81d1d6f916142e41e2a6727588816e9f940fea860bc48982966f4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> eecb3a5b1cd81d1d6f916142e41e2a6727588816e9f940fea860bc48982966f4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
eecb3a5b1cd81d1d6f916142e41e2a6727588816e9f940fea860bc48982966f4
Status:
ERROR
Block height:
40171066
Block id:
19aa09e1286885ad660e0e528b88c460d42c80d2c549d5d4f03c538a7f72f177
Timestamp:
Wednesday 2 November 2022 at 14:46:12 UTC
()
Proposer:
Authorizers:
Gas used:
46