The Vivado IDE contains a message area where you can view informational, warning, and error messages. As shown in the following figure, some messages from the Vivado simulator contain an issue description and a suggested resolution.
To see the same detail in the Tcl Console, type:
help -message {message_number}Figure 1. Simulator Message Description and Resolution Information
An example of such a command is as follows:
help -message {simulator 43-3120}