Flow price: --
6630f58814a75cbd898a44bbc5b5454590e4b50935089b804bed31dc3677eda7

Transaction

Hash: 6630f58814a75cbd898a44bbc5b5454590e4b50935089b804bed31dc3677eda7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6630f58814a75cbd898a44bbc5b5454590e4b50935089b804bed31dc3677eda7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6630f58814a75cbd898a44bbc5b5454590e4b50935089b804bed31dc3677eda7
Status:
ERROR
Block height:
39913302
Block id:
70f28786ca2b77f64f7748a00f7e8a753be05e12656337d179696abbd4bd8fae
Timestamp:
Saturday 29 October 2022 at 07:05:31 UTC
()
Proposer:
Authorizers:
Gas used:
46