```ruby
#
# Author:: Joshua Timberman <joshua@chef.io>
# Copyright:: Copyright (c) 2012-2016, Chef Software, Inc. <legal@chef.io>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

default['erlang']['gui_tools'] = false
default['erlang']['install_method'] = 'package'

default['erlang']['source']['version'] = '18.3'
default['erlang']['source']['checksum'] = '0e24e32ca4912b7b08d6b8e33c25c107486da410f6c8d56ef81b17f018b0c614'
default['erlang']['source']['build_flags'] = ''
default['erlang']['source']['cflags'] = ''

default['erlang']['esl']['version'] = nil
default['erlang']['esl']['lsb_codename'] = node['lsb'] ? node['lsb']['codename'] : 'no_lsb'
```

Fix the source install checksum
user
```ruby
#
# Author:: Joshua Timberman <joshua@chef.io>
# Copyright:: Copyright (c) 2012-2016, Chef Software, Inc. <legal@chef.io>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

default['erlang']['gui_tools'] = false
default['erlang']['install_method'] = 'package'

default['erlang']['source']['version'] = '18.3'
default['erlang']['source']['checksum'] = 'fdab8129a1cb935db09f1832e3a7d511a4aeb2b9bb3602ca6a7ccb9730d5c9c3'
default['erlang']['source']['build_flags'] = ''
default['erlang']['source']['cflags'] = ''

default['erlang']['esl']['version'] = nil
default['erlang']['esl']['lsb_codename'] = node['lsb'] ? node['lsb']['codename'] : 'no_lsb'
```
assistant