I'm trying to import a shapefile to my PostGIS database but I can not, give a look:
Importing with configuration: 12mie250gc_sir, public, geom, / home/samuelribeiro/Desktop/MALHA_DIGITAL/ac/12MIE250GC_SIR, mode = c, dump = 1, simple = 0, geography = 0, index = 1, shape = 1, srid = 4326 Shapefile type: PolygonM PostGIS type: MULTIPOLYGONM  Failed SQL begins: "SET TO UTF8 CLIENT_ENCODING; STANDARD_CONFORMING_STRINGS SET TO ON; BEGIN; CREATE TABLE "public". "12mie250gc_sir" (gid serial, "id" float8 "nm_micro" varchar (100), "cd_geocodu" varchar (2)); ALTER TABLE "public". "12mie250gc_sir" ADD PRIMARY KEY (gid); SE " Failed in pgui_exec (): ERROR: function AddGeometryColumn (unknown, unknown, unknown, unknown, unknown, integer) is not unique LINE 9: SELECT AddGeometryColumn ('public', '12mie250gc_sir ',' geom ', '4 ... ^ HINT: Could not choose a best candidate function. You might need to add explicit type casts. Shapefile import failed.