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<p>Anyone point me as to what might cause qGIS 3.16.4-Hannover to
not add a PostGIS raster?</p>
<p>(Is the problem qGIS or PostGIS?)<br>
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<p><span style=" font-weight:600;">Invalid Layer: </span>Raster
layer Provider is not valid (provider: postgresraster, URI: PG:
dbname='gisdb' host=localhost port=5432 sslmode=disable mode=2
schema='public' column='rast' table='gbr100x100d2'</p>
<p>What is "not valid"?</p>
<p>Select postgis_full_version()</p>
<p>"POSTGIS=""2.3.0 r15146"" GEOS=""3.7.0-CAPI-1.11.0 3.7.0""
SFCGAL=""1.3.2"" PROJ=""Rel. 4.9.3, 15 August 2016"" GDAL=""GDAL
2.2.4, released 2018/03/19"" LIBXML=""2.7.8"" LIBJSON=""0.12""
TOPOLOGY RASTER"<br>
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