Flow price: --
a38e0102d32b84101afcbf8bd20a953cd3762a5e84e418beef70b1a19db51868

Transaction

Hash: a38e0102d32b84101afcbf8bd20a953cd3762a5e84e418beef70b1a19db51868
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a38e0102d32b84101afcbf8bd20a953cd3762a5e84e418beef70b1a19db51868:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a38e0102d32b84101afcbf8bd20a953cd3762a5e84e418beef70b1a19db51868
Status:
ERROR
Block height:
39925815
Block id:
e8dd68a736136fd7c529a7e7b7b22b049f53e71663c2cd41d2cd26b1809ebacf
Timestamp:
Saturday 29 October 2022 at 12:07:34 UTC
()
Proposer:
Authorizers:
Gas used:
52