Flow price: --
7940797e1d4236c6b778fed7a06abbd466fd19412eff20693e8b594d35a942bf

Transaction

Hash: 7940797e1d4236c6b778fed7a06abbd466fd19412eff20693e8b594d35a942bf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7940797e1d4236c6b778fed7a06abbd466fd19412eff20693e8b594d35a942bf: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:
7940797e1d4236c6b778fed7a06abbd466fd19412eff20693e8b594d35a942bf
Status:
ERROR
Block height:
40055134
Block id:
af8b309e3bedd7522d41901ec5ec613cefcc2bcb32ceb3b792b17865294f922e
Timestamp:
Monday 31 October 2022 at 15:50:48 UTC
()
Proposer:
Authorizers:
Gas used:
47