EP4175634A1 - SOLID FORMS OF (Z)-METHYL 3-(((4-(N-METHYL-2-(4-METHYLPIPERAZIN-L- YL)ACETAMIDO)PHENYL)AMINO)(PHENYL)METHYLENE)-2-OXO-2, 3-DIHYDRO- LH-PYRROLO[2,3-B]PYRIDINE-6-CARBOXYLATE AND SALTS THEREOF