Flow price: --
88249fd50eb7e6ccce01733a33663bc06e9b0e91918eb779495bde50872e62e8

Transaction

Hash: 88249fd50eb7e6ccce01733a33663bc06e9b0e91918eb779495bde50872e62e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 88249fd50eb7e6ccce01733a33663bc06e9b0e91918eb779495bde50872e62e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
88249fd50eb7e6ccce01733a33663bc06e9b0e91918eb779495bde50872e62e8
Status:
ERROR
Block height:
39968857
Block id:
262c7c83aa734382136be64dedabe5667acd6e15e1c1e7fbe9d6861aa1002f5d
Timestamp:
Sunday 30 October 2022 at 05:17:59 UTC
()
Proposer:
Authorizers:
Gas used:
46