.cmd/.bat IF statement question

-------------------------------------------------- -------------------@echo offIF %1 == "" GOTO bliaecho Suka!:bliaecho Bliadi!-------------------------------------------------- ------------------->test.batGOTO was unexpected at this time.>test.bat 1Suka!Bliadi!-------Q: Ce-i cu eroarerea ?!//0, dv: "... eroarerea ..." - eroarea