Flow price: --
87b4816c59ee886f87269b5614f6bf8c7239420cc80086935bc09e781e7325a0

Transaction

Hash: 87b4816c59ee886f87269b5614f6bf8c7239420cc80086935bc09e781e7325a0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 87b4816c59ee886f87269b5614f6bf8c7239420cc80086935bc09e781e7325a0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
87b4816c59ee886f87269b5614f6bf8c7239420cc80086935bc09e781e7325a0
Status:
ERROR
Block height:
39915005
Block id:
1b10e373bdceaa70d8a3c08fbd7c961446e054211a82a38819e5f43ec8e5d617
Timestamp:
Saturday 29 October 2022 at 07:46:21 UTC
()
Proposer:
Authorizers:
Gas used:
47