How to Load and Run Mystery Powerbuilder PBL

We have a PBL file provided to us by its legitimate owner without much documentation (okay, without any documentation). We need to load it into the Powerbuilder IDE and exercise it, view the screen layouts, and so on.  Pibble Peeper validates that it's a PBL, all right, but attempts to load it into Powerbuilder have so far been unsuccessful. Perhaps the PBL requires a precise version of Powerbuilder to load?  We've downloaded PB 12 and PB 11.5 to investigate, but so far, no luck. Any advice would be much appreciated. Thank you!
legacymodAsked:
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lbushbyCommented:
With any old  workspace open (create a new one if you want) try the following:

- File->New...
- Choose Target tab/Application, click OK
- Enter a *new* Application Name + Library + target i.e. with no reference to the mystery PBL at this stage
- click Finish
- Right click on the new target in the system tree and click 'Properties'
- Add the path to your mystery PBL to the bottom of the library list and click OK
- You may get a warning about needing to migrate the target at this point, if you do then right click on the target and click 'Migrate...' then ok and wait for it to complete

At this point you should be able to view the objects in the PBL within the system tree and doubleclick to open them.  If they fail to open then report back with the error.
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lbushbyCommented:
When you say 'attempts to load it into Powerbuilder have so far been unsuccessful' can you expand on

1) exactly how you have tried to open it in powerbuilder?
2) what were the problems you encountered? error messages etc.
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legacymodAuthor Commented:
Powerbuilder 12 build 5530, no workspace or target defined; File -> Open, navigate to the pbl, try to open it. Refuses to open.  File -> New -> Workspace, give name TempWs, workspace created. Repeat attempt to open pbl, refuses.  File ->New ->Target -> Application, picked Existing Application, got "Choose Library and Application" window, selected the pbl, hit Next, response "Library does not contain an application object". Try File ->New -> Target -> picked New Application, got "Specify New Application and Library" window, browsed to the pbl under the Library dropdown, gave it an application name, clicked Finish. Got "Error generating: <pathname of pbl>(<application name>). Reason is: error opening either the gen template or the source library.  At this point, not clear what to do.  :)
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legacymodAuthor Commented:
This may give rise to more questions, but the answer was complete and accurately answered the question.  Many thanks and kudos to the author!
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