Flow price: --
a1a21a7ea32f9fe0618529fa457c9149e947fa2ccf18346470759f6b20e5cf45

Transaction

Hash: a1a21a7ea32f9fe0618529fa457c9149e947fa2ccf18346470759f6b20e5cf45
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a1a21a7ea32f9fe0618529fa457c9149e947fa2ccf18346470759f6b20e5cf45:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a1a21a7ea32f9fe0618529fa457c9149e947fa2ccf18346470759f6b20e5cf45
Status:
ERROR
Block height:
39995679
Block id:
d4de902f6ea7d8edc7cd5b15ddb93a6d7818687b90bbecc38b231b46753445c1
Timestamp:
Sunday 30 October 2022 at 16:02:13 UTC
()
Proposer:
Authorizers:
Gas used:
52