| 1 | <?php  | 
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| 3 | class DMSGridFieldEditButton extends GridFieldEditButton implements GridField_ColumnProvider  | 
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| 4 | { | 
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| 5 | |||
| 6 | /**  | 
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| 7 | * Overriding the parent method to change the template that the DMS edit button will be rendered with based on  | 
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| 8 | * whether or not the user has edit permissions.  | 
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| 9 | *  | 
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| 10 | * @param GridField $gridField  | 
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| 11 | * @param DataObject $record  | 
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| 12 | * @param string $columnName  | 
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| 13 | *  | 
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| 14 | * @return string - the HTML for the column  | 
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| 15 | */  | 
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| 16 | public function getColumnContent($gridField, $record, $columnName)  | 
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| 26 | }  | 
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| 27 | 
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.