Flow price: --
1788484c316a050b8f480c21dbe34777fa24d96744b06e5f995c410ada5be271

Transaction

Hash: 1788484c316a050b8f480c21dbe34777fa24d96744b06e5f995c410ada5be271
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1788484c316a050b8f480c21dbe34777fa24d96744b06e5f995c410ada5be271:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1788484c316a050b8f480c21dbe34777fa24d96744b06e5f995c410ada5be271
Status:
ERROR
Block height:
40140091
Block id:
c600ec55173b786c7a17bb55457d1a143213a025bbf5465a7a989c1dc703b699
Timestamp:
Wednesday 2 November 2022 at 02:12:57 UTC
()
Proposer:
Authorizers:
Gas used:
47