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PGP error while decrypting file (Error code: 3131 & 3090)

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I need a solution

Hi,

PGP Server - Windows Server 2003
PGP Version - 10.2 build 283
Client Encryption tools - GPG 4 Win Version 2.1.0
File encrypted without ascii armor mode. File upload via Tectia File Transfer binary mode.

Scenario:
Client uploaded 2 files for us. Both file also return error when we try to decrypt using the following command:
pgp --decrypt *filename --overwrite remove

Error:
<3131:multiple PGP blocks found in single input stream>
<3090:operation failed, Modified data detected in integrity-protected encrypted data>

Tried dump packet with the follow result:
pgp --dump-packets LU0815T2.dat.gpg
Old: Public-Key Encrypted Session Key Packet(tag 1)(268 bytes)
        New version(3)
        Key ID - 0x04783150B6239486
        Pub alg - RSA Encrypt or Sign(pub 1)
        RSA m^e mod n(2048 bits) -
     0: 80 7b cd c3 44 35 19 c0 65  cf a6 77 eb 34 c6 38  |.{..D5..e..w.4.8|
    16: 5b a0 fb 50 75 a7 fd 28 76  a7 4a ac 69 3b 02 3c  |[..Pu..(v.J.i;.<|
    32: 57 38 9d 55 ba 35 e3 8d c2  82 b7 3a 17 3d f1 d6  |W8.U.5.....:.=..|
    48: 08 6e 05 51 10 77 08 3c 69  00 16 03 f5 58 e7 a6  |.n.Q.w.<i....X..|
    64: 6f 3f 27 8c 7b bd a4 db ce  4a 39 8e a8 6c 02 03  |o?'.{....J9..l..|
    80: 03 c4 af 3f b4 aa 2a c3 ac  c9 58 2a f7 1a ab 0f  |...?..*...X*....|
    96: 4b 28 37 e4 69 c9 07 49 4c  97 25 69 c9 9f fe 64  |K(7.i..IL.%i...d|
   112: d1 28 ac 10 3f 98 2d 91 eb  d0 18 ba 06 33 ca c9  |.(..?.-......3..|
   128: a0 3c a4 17 df 66 4e df ae  7d 29 56 67 72 9e 75  |.<...fN..})Vgr.u|
   144: 02 9d 65 66 cb 91 62 ee 67  8a 43 0c d6 44 88 64  |..ef..b.g.C..D.d|
   160: e0 6c bf e1 4b 7f e6 94 2b  52 d1 b6 8a 80 ed 0b  |.l..K...+R......|
   176: 29 77 eb 11 f1 ec b3 27 95  14 b4 55 2f d6 37 78  |)w.....'...U/.7x|
   192: 9e 0c 02 b9 73 c4 9a 11 d0  65 3c 98 64 13 3f b4  |....s....e<.d.?.|
   208: d5 ca d4 a8 3c 73 59 c0 74  bf 28 53 ad 34 3a 5a  |....<sY.t.(S.4:Z|
   224: b9 4f aa 12 0c d8 83 a8 a3  b6 a0 1c 55 b7 c1 10  |.O..........U...|
   240: c4 4a b7 32 90 4d e2 5d 4b  79 89 38 1f 85 87 89  |.J.2.M.]Ky.8....|
                -> m = sym alg(1 byte) + checksum(2 bytes) + PKCS-1 block type 02
New: Symmetrically Encrypted and MDC Packet(tag 18)(8192 bytes) partial start
        Ver 1
        Encrypted data [sym alg is encrypted in the pub session key above]
                (plain text + MDC SHA1(20 bytes))
New:    (8192 bytes) partial continue
New:    (8192 bytes) partial continue
New:    (8192 bytes) partial continue
New:    (189 bytes) partial end
New: unknown(tag 49)(58 bytes)
Old: Reserved(tag 0)(114 bytes)
Old: Trust Packet(tag 12)(until eof)
        Trust -
LU0815T2.dat.gpg:dump packets (0:packets decoded successfully)

Attached the affected file as well.

How to fix this issue/avoid this issue in the future?


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