Flow price: --
31a4c921375f66bdd881835407b47e3121307448bce1536b8f77f15fd9c2f602

Transaction

Hash: 31a4c921375f66bdd881835407b47e3121307448bce1536b8f77f15fd9c2f602
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 31a4c921375f66bdd881835407b47e3121307448bce1536b8f77f15fd9c2f602:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
31a4c921375f66bdd881835407b47e3121307448bce1536b8f77f15fd9c2f602
Status:
ERROR
Block height:
39780909
Block id:
6ce45d58257681e954d5fb39b9985d2a9d592ae229e0b00ed808c7f2106b0389
Timestamp:
Thursday 27 October 2022 at 01:53:41 UTC
()
Proposer:
Authorizers:
Gas used:
46