Flow price: --
81c3ec10b741728cad1d92b36ee6acd583ba967d2814c7dc5d6f722f481e7223

Transaction

Hash: 81c3ec10b741728cad1d92b36ee6acd583ba967d2814c7dc5d6f722f481e7223
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81c3ec10b741728cad1d92b36ee6acd583ba967d2814c7dc5d6f722f481e7223:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
81c3ec10b741728cad1d92b36ee6acd583ba967d2814c7dc5d6f722f481e7223
Status:
ERROR
Block height:
39860629
Block id:
f94335dedf2749ec81b68cb4cdf8f50f2e42042a0989dfbfbec4cd91d5fdf7f5
Timestamp:
Friday 28 October 2022 at 10:03:43 UTC
()
Proposer:
Authorizers:
Gas used:
50