Flow price: --
58a2fa531e3f794294d11cc277efa7e6f7e4a247e942ffac32f05702f301d878

Transaction

Hash: 58a2fa531e3f794294d11cc277efa7e6f7e4a247e942ffac32f05702f301d878
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 58a2fa531e3f794294d11cc277efa7e6f7e4a247e942ffac32f05702f301d878:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
58a2fa531e3f794294d11cc277efa7e6f7e4a247e942ffac32f05702f301d878
Status:
ERROR
Block height:
39757339
Block id:
fd8bcffd1623e16dee0b42a9078f01dcc732ba3f008e555e0e292d6b66e80090
Timestamp:
Wednesday 26 October 2022 at 16:23:56 UTC
()
Proposer:
Authorizers:
Gas used:
48