FAILED ZLIB CALL

does anyone know what this is about. when i go into gta online i get inside my garage or out the apartment and then BAM a box appears saying " FAILED ZLIB CALL...REBOOT OR REINSTALL THE GAME. any info would be appreciated as never come across this before....thanks

Seems like one of your GTA files are corrupted. Try re-installing it (as recommended by R*).