Please could somebody enlighten me on the ins and outs of the following error message.
Use of uninitialized value in join or string at C:/Perl_activate/20_Oc
+tober_2005_L.pl line 438, <FLAT_FILE> line 1191.
in relation to the following code.
my $sth_C = $dbh->prepare($Return_results) or die "Couldn't prepar
+e query: ".$dbh->errstr;
$sth_C->execute() or die "Couldn't execute query: ".$sth_C->errstr
+;
while (my @row = $sth_C->fetchrow_array) {
print OUTPUT_FILE join("\t", @row); ###<< The error message app
+lies to this line of code.
print OUTPUT_FILE "\n";
undef @row;