Modpack closes straight after launch

[RealSketch]

Hello, I have a very big problem.

I have created a modpack, it worked at first with about 40 mods, then I changed the name.

Now after this, no-matter what I do (reset, taking mods in and out etc.) it justs launches the modpack when I click launch, then it closes and returns straight back to the technic launcher.

Any help please, this is so annoying.

[plowmanplow]

We are pretty much unable to do anything without log files as a minimum and preferrably your pack page or the download link you use in your pack settings.

[RealSketch]

We are pretty much unable to do anything without log files as a minimum and preferrably your pack page or the download link you use in your pack settings.

Sorry, thought I was missing something.

EDITED.

Edited March 23, 2014 by RealSketch

[RealSketch]

FIxed, I removed a bunch of mods and left some in, the result was a perfectly working modpack.

Not quite sure what mod was causing it though, but I have a rough idea.

Thanks for your help anyway @plowmanplow, I know you work hard to help people like this.

[awsomeaassasin]

I have had this same problem myself. My custom modpack just doesn't actually start sometimes. Are there an common causes for this?

[plowmanplow]

1) Don't hijack other threads since your problem is almost surely caused by something different (even if there are similarities).

 

As for common causes: Block, Biome, Entity ID conflicts. Missing dependencies. Incorrect mod versions for your chosen Forge/MC version. Incompatible mods. Improper Forge install. Files in the wrong place in your archive. The list is long.

[spring859]

i have the same problem with it not launching but i haven't made one .im trying to launch pixelmon and the same thing happens

[plowmanplow]

i have the same problem with it not launching but i haven't made one .im trying to launch pixelmon and the same thing happens

 

<sigh> Maybe taking that up with the Pixelmon folks would be a better option.