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Clean ROM is locked?

After reading about SMW hacking, I've decided I should return to it after years of not doing it. I downloaded SMW's ROM and checked to mae sure it was clean here, which said it was clean but headerless. I allowed it to add the header then re-checked it and it was said to be a clean SMW USA ROM.

I then downloaded Lunar Magic's latest version, knowing I had to expand the ROM before I could do anything else with it and Lunar Magic does that. However, for some reason, it considers the ROM locked or something despite it being unedited!

What should I do to make Lunar Magic open the ROM so I can begin editing it? Recover Lunar Magic crashes when it is used on this ROM.

It's barely finished, but check out my game, Magical Mary!

Layout made using Layout Maker 2 XP.

Lunar Magic uses a byte in the copier header to determine if the ROM is clean. I tried it and it appears that the tool you linked doesn't add the correct header, which confuses Lunar Magic. Use ROMclean on your original headerless ROM too adds the header correctly. If you've overwritten your headerless ROM, either redownload it or use SNEStuff to remove the bad header.
Oh, I thought the web-based one would work the same way. I still have the original ROM download so I'll just use ROMclean.

EDIT: It worked! Thanks, telinc1!

It's barely finished, but check out my game, Magical Mary!

Layout made using Layout Maker 2 XP.

ROMclean can clean both unheadered and bad-headered ROMs. Your choice, results will be identical.

And that is one impressively absurd header from jsromclean, 511 commas then an ASCII '0', rather than the expected 0x40 then 511 0x00s.

I'll fix it. Wait a few minutes until this post is edited, or use the downloadable one.

e: done. I'll tell the tool mods to update the link on the original romclean.

e2: link edited too
<blm> zsnes users are the flatearthers of emulation
Oh, I just used ROMclean but it's good to know the web-based jsrromclean will work in the future. How long has jsrromclean been adding weird "headers" to ROMs?

It's barely finished, but check out my game, Magical Mary!

Layout made using Layout Maker 2 XP.

I don't know if it ever worked. If it did, it broke due to browser updates; no clue which one.

Technical information: It tried to construct the header in an Array, then pass that to the Blob constructor / BlobBuilder. Array is not an allowed fragment type in Blob, so it's turned into String using some undesirable algorithm. Either way, I replaced the Array with a String.
<blm> zsnes users are the flatearthers of emulation