Flow price: --
374f43ceceed8cc29b5df142ac94304a79e19bdff1f6e878e8710a7bcef76199

Transaction

Hash: 374f43ceceed8cc29b5df142ac94304a79e19bdff1f6e878e8710a7bcef76199
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 374f43ceceed8cc29b5df142ac94304a79e19bdff1f6e878e8710a7bcef76199:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
374f43ceceed8cc29b5df142ac94304a79e19bdff1f6e878e8710a7bcef76199
Status:
ERROR
Block height:
39949917
Block id:
9ef04f1781b364ebeefdfea2e573649d5597782f84931c510c6c22666466074e
Timestamp:
Saturday 29 October 2022 at 21:48:02 UTC
()
Proposer:
Authorizers:
Gas used:
48