Flow price: --
f2df3c5bb0b82af7f3567d98b498522e38fa4694b5a4d653067ba13ba959ab08

Transaction

Hash: f2df3c5bb0b82af7f3567d98b498522e38fa4694b5a4d653067ba13ba959ab08
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2df3c5bb0b82af7f3567d98b498522e38fa4694b5a4d653067ba13ba959ab08:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f2df3c5bb0b82af7f3567d98b498522e38fa4694b5a4d653067ba13ba959ab08
Status:
ERROR
Block height:
40036390
Block id:
f0196092f8b68fbf7465494c31234b88f81f39bbec4d8c0b5f77e3803e58d95a
Timestamp:
Monday 31 October 2022 at 08:16:54 UTC
()
Proposer:
Authorizers:
Gas used:
50