Flow price: --
395a34201e9a77d1fb3441517c7e78f3119814f925d98e182aa3a34c97cbfc6b

Transaction

Hash: 395a34201e9a77d1fb3441517c7e78f3119814f925d98e182aa3a34c97cbfc6b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 395a34201e9a77d1fb3441517c7e78f3119814f925d98e182aa3a34c97cbfc6b: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:
395a34201e9a77d1fb3441517c7e78f3119814f925d98e182aa3a34c97cbfc6b
Status:
ERROR
Block height:
39875117
Block id:
0bb70130dc63da2b57b992a9333b2fefe1c101adcbc510fb2263fcb09b9c0883
Timestamp:
Friday 28 October 2022 at 15:52:42 UTC
()
Proposer:
Authorizers:
Gas used:
54