Flow price: --
b4b9261d48f58c076038726f48137ea7eb02a19afcc575a3e9d018b19a13f01d

Transaction

Hash: b4b9261d48f58c076038726f48137ea7eb02a19afcc575a3e9d018b19a13f01d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4b9261d48f58c076038726f48137ea7eb02a19afcc575a3e9d018b19a13f01d: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:
b4b9261d48f58c076038726f48137ea7eb02a19afcc575a3e9d018b19a13f01d
Status:
ERROR
Block height:
40122975
Block id:
5dc2556c401a13b43982172149c6d1682e14f05bde778c03f7b96c8be905b0df
Timestamp:
Tuesday 1 November 2022 at 19:13:22 UTC
()
Proposer:
Authorizers:
Gas used:
46