Flow price: --
f7cf9e9c192449bdd78275a48c746bbd82efe33ab102232448ea1f9d923f3b73

Transaction

Hash: f7cf9e9c192449bdd78275a48c746bbd82efe33ab102232448ea1f9d923f3b73
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f7cf9e9c192449bdd78275a48c746bbd82efe33ab102232448ea1f9d923f3b73:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f7cf9e9c192449bdd78275a48c746bbd82efe33ab102232448ea1f9d923f3b73
Status:
ERROR
Block height:
40106172
Block id:
fe3ce16cb5e71f29835948d1314e46bba5fbc5ec5ee516da20eb45b0e8c90aad
Timestamp:
Tuesday 1 November 2022 at 12:25:05 UTC
()
Proposer:
Authorizers:
Gas used:
46