exp: remove mentions of resume

dvc/commands/experiments/run.py

@@ -81,7 +81,7 @@ def add_parser(experiments_subparsers, parent_parser):
 
 
 def _add_run_common(parser):
-    """Add common args for 'exp run' and 'exp resume'."""
+    """Add common args for 'exp run'."""
     # inherit arguments from `dvc repro`
     add_repro_arguments(parser)
     parser.add_argument(

dvc/repo/experiments/base.py

@@ -54,7 +54,8 @@ class CheckpointExistsError(DvcException):
             "experiment run:\n\n"
             "\tdvc exp run -f ...\n\n"
             "To resume the existing experiment, run:\n\n"
-            f"\tdvc exp resume {name}\n"
+            f"\tdvc exp apply {name}\n"
+            f"\tdvc exp run\n"
         )
         super().__init__(msg)
         self.name = name

dvc/repo/reproduce.py

@@ -28,8 +28,7 @@ def _reproduce_stage(stage: "Stage", **kwargs):
         else:
             raise DvcException(
                 "Checkpoint stages are not supported in 'dvc repro'. "
-                "Checkpoint stages must be reproduced with 'dvc exp run' "
-                "or 'dvc exp resume'."
+                "Checkpoint stages must be reproduced with 'dvc exp run'. "
             )
 
     if stage.frozen and not stage.is_import: