MarketPlacePlus

Bug Fixes:

• Fixed items not stacking after being listed/delisted from market
• Fixed potential item loss when creating auctions
• Fixed duplicate purchase issues in player shops
• Fixed auction bid refund exploits
• Fixed collection box spam-clicking causing item duplication
• Fixed shop deletion conflicts during active purchases
• Fixed database synchronization issues with collection items
• Fixed expired listing cleanup and database bloat

Improvements:

• Added collection box size limit
• Added maximum bid limit
• Added protection against negative price exploits
• Prevented shop owners from purchasing their own items
• Improved transaction safety with automatic refunds on failures
• Enhanced database connection management
• Better error handling throughout the plugin