After upgrading to IOS15 Application crashes at the time of File uploading

[Stebin-Joy]

Issue 1:

*** Incorrect guard value: 0
malloc: *** set a breakpoint in malloc_error_break to debug
malloc: Heap corruption detected, free list is damaged at 0x600003f44b60
*** Incorrect guard value: 0
CoreSimulator 776.3 - Device: iPod touch (7th generation) (06C16--4D-AA-5FC********) - Runtime: iOS 15.0 (19A***) - DeviceType: iPod touch (7th generation)

malloc: Heap corruption detected, free list is damaged at 0x60000059bf70

Issue 2:

Date: 04-10-2021 -------- FileName: Filename_CombinedZip.zip -------- Status: Failed -------- errorMessage: Error Domain=SFTPClientErrorDomain Code=21 "Unable to open file for writing: SFTP Status Code 0 /JP_IN/Filename_CombinedZip.zip" UserInfo={NSLocalizedDescription=Unable to open file for writing: SFTP Status Code 0 /JP_IN/Filename_CombinedZip.zip, [SFTPClientUnderlyingError=0}](url

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