Flow price: --
bb9dc4634a28c810bf46bf77e99d8e3b39f855e060e1ca4e0b2369cd8872f482

Transaction

Hash: bb9dc4634a28c810bf46bf77e99d8e3b39f855e060e1ca4e0b2369cd8872f482
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb9dc4634a28c810bf46bf77e99d8e3b39f855e060e1ca4e0b2369cd8872f482:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bb9dc4634a28c810bf46bf77e99d8e3b39f855e060e1ca4e0b2369cd8872f482
Status:
ERROR
Block height:
39967316
Block id:
4302de0d98a0719cd3eea633dd39514c530ff43876853f71c606b7257cf60cba
Timestamp:
Sunday 30 October 2022 at 04:41:00 UTC
()
Proposer:
Authorizers:
Gas used:
48