Error message when launching plotman

[stou80]

Hello

I have the following error message when I want to launch plotman.
Do you know what happened?

(venv) root@frhb61160ds:/chia-blockchain# plotman plot
Traceback (most recent call last):
File "/chia-blockchain/venv/bin/plotman", line 8, in
sys.exit(main())
File "/chia-blockchain/venv/lib/python3.8/site-packages/plotman/plotman.py", line 137, in main
cfg = configuration.get_validated_configs(config_text, config_path)
File "/chia-blockchain/venv/lib/python3.8/site-packages/plotman/configuration.py", line 37, in get_validated_configs
config_objects = yaml.load(config_text, Loader=yaml.SafeLoader)
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/init.py", line 114, in load
return loader.get_single_data()
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/constructor.py", line 49, in get_single_data
node = self.get_single_node()
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/composer.py", line 36, in get_single_node
document = self.compose_document()
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/composer.py", line 55, in compose_document
node = self.compose_node(None, None)
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/composer.py", line 84, in compose_node
node = self.compose_mapping_node(anchor)
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/composer.py", line 133, in compose_mapping_node
item_value = self.compose_node(node, item_key)
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/composer.py", line 84, in compose_node
node = self.compose_mapping_node(anchor)
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/composer.py", line 127, in compose_mapping_node
while not self.check_event(MappingEndEvent):
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/parser.py", line 98, in check_event
self.current_event = self.state()
File "/chia-blockchain/venv/lib/python3.8/site-packages/yaml/parser.py", line 438, in parse_block_mapping_key
raise ParserError("while parsing a block mapping", self.marks[-1],
yaml.parser.ParserError: while parsing a block mapping
in "", line 114, column 9:
k: 32
^
expected , but found ''
in "", line 120, column 12:
farmer_pk: 8fd413e126e28a20a78cb ...
^

Thanks for your help

Stephane