java.lang.IllegalArgumentException: Structure exceeds provided memory bounds

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Structure exceeds provided memory bounds

java.lang.IllegalArgumentException: Structure exceeds provided memory bounds	at com.sun.jna.Structure.ensureAllocated(Structure.java:366)	at com.sun.jna.Structure.ensureAllocated(Structure.java:346)	at com.sun.jna.Structure.read(Structure.java:552)	at com.abc.crypt.WinCrypt$CREDENTIAL.<init>(WinCrypt.java:65)	at com.abc.crypt.WinCrypt$CREDENTIAL$ByReference.<init>(WinCrypt.java:55)	at com.abc.crypt.CryptTest.main(CryptTest.java:44)Caused by: java.lang.IndexOutOfBoundsException: Bounds exceeds available space : size=8, offset=200	at com.sun.jna.Memory.boundsCheck(Memory.java:203)	at com.sun.jna.Memory$SharedMemory.boundsCheck(Memory.java:87)	at com.sun.jna.Memory.share(Memory.java:131)	at com.sun.jna.Structure.ensureAllocated(Structure.java:363)	... 5 more