FSI fluent using workbench error code?
 

hello everyone,

when attempting to restart an FSI problem from the last time step by coupling fluent with transient structural via workbench, i am getting the following error:

+================================================= ===================+
| System Coupling Exception |
+================================================= ===================+
| Origin : Transient Structural (Solution) |
| Error Code : 2 |
| Error Description : |
| Two consecutive operations. Add parentheses as needed. |
+================================================= ===================+

any help plz??