Flow price: --
5c5bb87a496ce64390d371602aacca23a7f643eaf973f6af6a9ec21549c5433c

Transaction

Hash: 5c5bb87a496ce64390d371602aacca23a7f643eaf973f6af6a9ec21549c5433c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5c5bb87a496ce64390d371602aacca23a7f643eaf973f6af6a9ec21549c5433c: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:
5c5bb87a496ce64390d371602aacca23a7f643eaf973f6af6a9ec21549c5433c
Status:
ERROR
Block height:
39972688
Block id:
a29f64d9fdf9a62130541200103492583017f949abb43c155aeb011398e73522
Timestamp:
Sunday 30 October 2022 at 06:50:29 UTC
()
Proposer:
Authorizers:
Gas used:
48