Continuity mistake: Rebecca tells Brian that Chris received the call from his brother to meet and hand the bag off at the park at 4pm. In the next scene, Brian says, "Chris wasn't handing the bag off until 6, so I went straight into training." 2 hour time difference there.
Limitless (2015)
1 continuity mistake - chronological order
More mistakes in Limitless
Brian Finch: You remember a lot more than you think you do. Every experience you've ever had, every idea that came to you in the shower and then slipped away while you were brushing your teeth... it's all there for the taking.