Flow price: --
766941aa3b3c7b581fdb145f8a7a05c0feec79522339a303e68a904c25d1417f

Transaction

Hash: 766941aa3b3c7b581fdb145f8a7a05c0feec79522339a303e68a904c25d1417f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 766941aa3b3c7b581fdb145f8a7a05c0feec79522339a303e68a904c25d1417f: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:
766941aa3b3c7b581fdb145f8a7a05c0feec79522339a303e68a904c25d1417f
Status:
ERROR
Block height:
40013735
Block id:
fe7460a491d23bfec0b189ce1658c9562bba76f6428599f7c2a0d9ac6b62403a
Timestamp:
Sunday 30 October 2022 at 23:12:54 UTC
()
Proposer:
Authorizers:
Gas used:
48