Error code=80042802

[KiselevSA]

Пользуйтесь иногда Google

By default, the workflow service will only load signed assemblies. To load
an unsigned assembly, you need to set the attribute allowunsignedassemblies
to "true" in the configuration file as shown in the example below.

Example


<workflow.config xmlns="http://microsoft.com/mscrm/workflow/"
allowunsignedassemblies="true">
--
--