Flow price: --
d54f88eabac641e7aad34c8c163e3116699659e2376bb4d94f760f7f2ab41f50

Transaction

Hash: d54f88eabac641e7aad34c8c163e3116699659e2376bb4d94f760f7f2ab41f50
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d54f88eabac641e7aad34c8c163e3116699659e2376bb4d94f760f7f2ab41f50:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d54f88eabac641e7aad34c8c163e3116699659e2376bb4d94f760f7f2ab41f50
Status:
ERROR
Block height:
39936799
Block id:
18e3e6acc3699d9fc8f8ef35d6ef64ea42050b448e03aeb03386854dcaa5fdb2
Timestamp:
Saturday 29 October 2022 at 16:34:38 UTC
()
Proposer:
Authorizers:
Gas used:
46