Assuming it actually is the saddle, then it's likely your rails: treat with carbon assembly paste (despite the name it's best practice to use on all clamped interfaces, regardless of the materials involved).
While you're at it, do as DJ suggests and disassemble the entire clamp and lube all threads.
Assuming it actually is the saddle, then it's likely your rails: treat with carbon assembly paste (despite the name it's best practice to use on all clamped interfaces, regardless of the materials involved).
While you're at it, do as DJ suggests and disassemble the entire clamp and lube all threads.