class_docstr: Exception raised when a grouped collection is passed to a method that
  expects a primitive media type to be selected.
class_docstr_tok: ["Exception","raised","when","a","grouped","collection","is","passed","to","a","method","that","expects","a","primitive","media","type","to","be","selected","."]
code: def __init__(self, supported_media_types):
      if not isinstance(supported_media_types, str):
          supported_media_types = "/".join(supported_media_types)
  
      message = (
          "This method does not directly support grouped collections. "
          "You must use `select_group_slices()` to select %s slice(s) to "
          "process"
      ) % supported_media_types
  
      super().__init__(message)
  
imports: import eta.core.video
label_desc: Use image node_id 1 to create a new SelectGroupSlicesError object from inherited base classes: ValueError with example: obj = SelectGroupSlicesError(supported_media_types)