Flow price: --
acd12e0df9e9de0a23da80bf036bb6a7a13ac81e386fd9b105ca906e47f2808b

Transaction

Hash: acd12e0df9e9de0a23da80bf036bb6a7a13ac81e386fd9b105ca906e47f2808b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> acd12e0df9e9de0a23da80bf036bb6a7a13ac81e386fd9b105ca906e47f2808b: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:
acd12e0df9e9de0a23da80bf036bb6a7a13ac81e386fd9b105ca906e47f2808b
Status:
ERROR
Block height:
40038670
Block id:
d7aa4428d88fe9f7ad40fdc38fe28139cb4d4b2c1192484f3d14165115644f83
Timestamp:
Monday 31 October 2022 at 09:11:53 UTC
()
Proposer:
Authorizers:
Gas used:
49