Error on opening resized user partition

[donnos]

After rawnand had its user partition is resize and dump. it can't be open by Nxnandmanager and gives error "input file/drive is not a valid NX Storage". No issues opening the repackaged rawnand with the resize partition. only the dumped partition is having error. Below is the debug output.

06:50:55.444 : NxStorage::NxStorage() begins for F
06:50:55.444 : NxHandle::initHandle() set for NxStorage, current pointer is 0000000000 - m_off_start = 0000000000, m_off_end = 0021AFFFFF, crypto_mode = 0
06:50:55.444 : NxStorage::NxStorage() size is 565182464 (diskFreeBytes = 678251622400)
06:50:55.444 : NxStorage::NxStorage() - Looking for magic 43414C30 (CAL0) at offset 0000000000
06:50:55.451 : NxStorage::NxStorage() - Looking for magic 434552544946 (CERTIF) at offset 0000000680
06:50:55.454 : NxStorage::NxStorage() - Looking for magic 4546492050415254 (EFI PART) at offset 0000000200
06:50:55.454 : NxStorage::NxStorage() - Looking for magic 4546492050415254 (EFI PART) at offset 0000800200
06:50:55.486 : NxStorage::NxStorage() - Looking for magic 4546492050415254 (EFI PART) at offset 0001800200
06:50:55.519 : NxStorage::NxStorage() - Looking for magic 010021000E00000009000000 (�) at offset 0000000530
06:50:55.544 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 00000013B4
06:50:55.584 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 00000013F0
06:50:55.585 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 0000001424
06:50:55.608 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 00000012E8
06:50:55.611 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 00000012D0
06:50:55.616 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 00000012F0
06:50:55.617 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 0000040AF8
06:50:55.630 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 0000040ADC
06:50:55.643 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 0000040ACC
06:50:55.645 : NxStorage::NxStorage() - Looking for magic 504B3131 (PK11) at offset 0000040AC0
06:50:55.646 : NxHandle::initHandle() set for NxStorage, current pointer is 0000000000 - m_off_start = 0000000000, m_off_end = 0021AFFFFF, crypto_mode = 0
06:50:55.669 : NxStorage::NxStorage() - TYPE IS UNKNOWN
06:50:55.669 : NxStorage::NxStorage() ends. Size is 565182464 (diskFreeBytes = 678251622400). type is UNKNOWN - not splitted
06:50:55.669 : NxStorage::setKeys() => Not a valid NxStorage