Flow price: --
75a0e4b9f505f741447e91004e50b3c0bb8907b8673cf95ec617af83b8f02b4c

Transaction

Hash: 75a0e4b9f505f741447e91004e50b3c0bb8907b8673cf95ec617af83b8f02b4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 75a0e4b9f505f741447e91004e50b3c0bb8907b8673cf95ec617af83b8f02b4c: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:
75a0e4b9f505f741447e91004e50b3c0bb8907b8673cf95ec617af83b8f02b4c
Status:
ERROR
Block height:
39865649
Block id:
0a4772008be6553f9d863d88dba7dbaa4f668f9688032785dc8907fcf2df103a
Timestamp:
Friday 28 October 2022 at 12:05:17 UTC
()
Proposer:
Authorizers:
Gas used:
49