Flow price: --
8f98a1f0f171c80f3a7dac318b17b2a1ce0634da00cc6bcf7cc91bd5e9aa7d70

Transaction

Hash: 8f98a1f0f171c80f3a7dac318b17b2a1ce0634da00cc6bcf7cc91bd5e9aa7d70
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8f98a1f0f171c80f3a7dac318b17b2a1ce0634da00cc6bcf7cc91bd5e9aa7d70:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8f98a1f0f171c80f3a7dac318b17b2a1ce0634da00cc6bcf7cc91bd5e9aa7d70
Status:
ERROR
Block height:
40125003
Block id:
efb8a627807e3714bb208093c269be1a0abf984612b770f44877ab9e2908426b
Timestamp:
Tuesday 1 November 2022 at 20:03:21 UTC
()
Proposer:
Authorizers:
Gas used:
48