Flow price: --
d854cef2bf2a0bd7395537e30d849d14497a7cabaff548a9ef8c07ecf900676e

Transaction

Hash: d854cef2bf2a0bd7395537e30d849d14497a7cabaff548a9ef8c07ecf900676e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d854cef2bf2a0bd7395537e30d849d14497a7cabaff548a9ef8c07ecf900676e: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:
d854cef2bf2a0bd7395537e30d849d14497a7cabaff548a9ef8c07ecf900676e
Status:
ERROR
Block height:
39783947
Block id:
de248f4e77c71dba33854d3301f6e6d0234c2e9a982eab629c1407823782153f
Timestamp:
Thursday 27 October 2022 at 03:07:01 UTC
()
Proposer:
Authorizers:
Gas used:
52