.bak file unable to restore in SP2013

Question

 

i have .bak file, when i try to restore this file , i get some error

 

 

PS C:\Users\spsadmin> Restore-SPSite http://sesps2013:200/ -Path C:\Backup\PMC_C

ORRESPONDENCE_SP2013\PMC_CORRESPONDENCE_SP2013\Code\pmcms.bak -Force

Confirm

Are you sure you want to perform this action?

Performing the operation "Restore-SPSite" on target "http://sesps2013:200/".

[Y] Yes [A] Yes to All [N] No [L] No to All [S] Suspend [?] Help

(default is "Y"):y

 

Restore-SPSite : <nativehr>0x80070003</nativehr><nativestack></nativestack>

At line:1 char:1

+ Restore-SPSite http://sesps2013:200/ -Path

C:\Backup\PMC_CORRESPONDENCE_SP2013\P ...

+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

~~~

+ CategoryInfo : InvalidData: (Microsoft.Share...dletRestoreSite:

SPCmdletRestoreSite) [Restore-SPSite], DirectoryNotFoundException

+ FullyQualifiedErrorId : Microsoft.SharePoint.PowerShell.SPCmdletRestoreS

ite

PS C:\Users\spsadmin> Restore-SPSite -Identity http://sesps2013:200/ -Path C:\B

ackup\PMC_CORRESPONDENCE_SP2013\PMC_CORRESPONDENCE_SP2013\Code\pmcms.bak -Force

Confirm

Are you sure you want to perform this action?

Performing the operation "Restore-SPSite" on target "http://sesps2013:200/".

[Y] Yes [A] Yes to All [N] No [L] No to All [S] Suspend [?] Help

(default is "Y"):a

 

Restore-SPSite : <nativehr>0x80070003</nativehr><nativestack></nativestack>

At line:1 char:1

+ Restore-SPSite -Identity http://sesps2013:200/ -Path

C:\Backup\PMC_CORRESPONDEN ...

+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

~~~

+ CategoryInfo : InvalidData: (Microsoft.Share...dletRestoreSite:

SPCmdletRestoreSite) [Restore-SPSite], DirectoryNotFoundException

+ FullyQualifiedErrorId : Microsoft.SharePoint.PowerShell.SPCmdletRestoreS

ite

 

What is the reason? how to overcome.., am new to SP2013