fix crash
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		@@ -725,7 +725,7 @@ sub ReadingsProcessing_Powerwalls {
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                while ( my ( $r, $v ) = each %{$powerwall} ) {
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					                while ( my ( $r, $v ) = each %{$powerwall} ) {
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                    $readings{ 'wall_' . $i . '_' . $r } = $v;
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					                    $readings{ 'wall_' . $i . '_' . $r } = $v;
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                    if ref($v) eq 'HASH' ) {
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					                    if ( ref($v) eq 'HASH' ) {
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                        while ( my ( $s, $t ) = each %{$v} ) {
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					                        while ( my ( $s, $t ) = each %{$v} ) {
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                            $readings{ 'wall_' . $i . '_' . $r . '_' . $s } = $t;
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					                            $readings{ 'wall_' . $i . '_' . $r . '_' . $s } = $t;
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                        }
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					                        }
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@@ -1 +1 @@
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UPD 2021-02-27_15:42:04 30955 FHEM/46_TeslaPowerwall2AC.pm
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					UPD 2021-02-27_15:47:38 30957 FHEM/46_TeslaPowerwall2AC.pm
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