Flow price: --
172900b7996d35d800582de5d7bef70267fb3eae4356fef63d36e8f13f50466a

Transaction

Hash: 172900b7996d35d800582de5d7bef70267fb3eae4356fef63d36e8f13f50466a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 172900b7996d35d800582de5d7bef70267fb3eae4356fef63d36e8f13f50466a: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:
172900b7996d35d800582de5d7bef70267fb3eae4356fef63d36e8f13f50466a
Status:
ERROR
Block height:
40116080
Block id:
d89935d997e08acfdd63232b6e7fce831af9ad21bb963ff716dc4c3a49ffe202
Timestamp:
Tuesday 1 November 2022 at 16:25:40 UTC
()
Proposer:
Authorizers:
Gas used:
47