Beyoncé's mom, Tina Knowles, is having more trouble at home ... cops say her place was hit by burglars, who made off with seven figures worth of cash and jewels. Law enforcement tells TMZ ... there was a recent break-in at Tina's Los Angeles-area estate and cops were told a safe with over $1 million in cash and jewelry was missing -- the entire safe! We're told the break-in was discovered Wednesday morning, when someone from Tina's camp stopped by the home and discovered the missing vault. Our sources say Tina was out of town when the incident happened, and it's unclear how the alleged thieves got inside and removed t ... (full story)