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Depending on your technical comfort level, you have a few powerful options: Save Editor Online
Tools like PKHeX or online browser-based editors are common for tweaking team rosters and unlocking hidden items.
Your editor might have corrupted the file structure. Restore your backup and try a different editor.
We are seeing the first browser-based RXData parsers. You drag and drop your .rxdata file into a webpage, edit values in a clean table, and download the modified file. No installation required. Examples include rxdata.online (beta).
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