<html><head></head><body><div class="ydp3835952dyahoo-style-wrap" style="font-family: courier new, courier, monaco, monospace, sans-serif; font-size: 16px;">Hi, I have seen this question appear on the QGIS-Users mailing list, but with no answer (also old posts from QGIS 2.14). I'm using QGIS 3.2.0. My problem is that I can move a features vertices, but not add. This is the error that I get:</div><div class="ydp3835952dyahoo-style-wrap" style="font-family: courier new, courier, monaco, monospace, sans-serif; font-size: 16px;"><br></div><div class="ydp3835952dyahoo-style-wrap" style="font-family: courier new, courier, monaco, monospace, sans-serif; font-size: 16px;"><span>[Microsoft][ODBC SQL Server Driver][SQL Server]A .NET Framework error occurred during execution of user-defined routine or aggregate "geometry":
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> System.FormatException: 24142: Expected "NULL" at position 112. The input has "nan,".</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> System.FormatException: </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> at Microsoft.SqlServer.Types.WellKnownTextReader.RecognizeToken(String token)</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> at Microsoft.SqlServer.Types.WellKnownTextReader.RecognizeOptionalKeyword(String keyword)</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> at Microsoft.SqlServer.Types.WellKnownTextReader.RecognizeOptionalDouble()</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> at Microsoft.SqlServer.Types.WellKnownTextReader.ParseLineStringText()</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> at Microsoft.SqlServer.Types.WellKnownTextReader.ParsePolygonText()</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> at Microsoft.SqlServer.Types.WellKnownTextReader.ParseTaggedText(OpenGisType type)</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> at Microsoft.SqlServer.Types.WellKnownTextReader.Read(OpenGisType type, Int32 srid)</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> at Microsoft.SqlServer.Types.SqlGeometry.GeometryFromText(OpenGisType type, SqlChars text, Int32 srid)</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> . [Microsoft][ODBC SQL Server Driver][SQL Server]The statement has been terminated. QODBC3: Unable to execute statement</p></span><div><br></div><div><br></div><div>I figured that this error (Expected "NULL" and got "nan") is an internal problem and that this would be the place to put this.</div><div>This error is also present in the new 3.4.3.<br></div><div><br></div><div>Thank you for your time</div><div><br></div><div>Ethan Snyder<br></div></div></body></html>