Updated to resolve some compile errors discovered

Author: Ben Davis

proj.toml

@@ -0,0 +1,7 @@
+# FastSandPM Manifest
+####################################################################################################
+[package]
+
+name="apb_agent"
+version="0.1.0"
+description="An APB UVM Agent"

src/agent/apb_monitor.svh

@@ -134,6 +134,16 @@ class apb_monitor#(`_APB_AGENT_PARAM_DEFS) extends uvm_monitor;
                     apb_transaction#(`_APB_AGENT_PARAM_MAP) req;
 
                     req = trans.clone();
+                    if (!$cast(req, trans.clone())) begin
+                        `uvm_fatal(
+                            get_type_name(),
+                            $sformatf(
+                                "Unable to cast transaction (%s) to req (%s)",
+                                trans.get_type_name(),
+                                apb_transaction#(`_APB_AGENT_PARAM_MAP)::type_name
+                            )
+                        )
+                    end
                     req.data = m_vif.pwdata;
                     req_ap.write(req);
                 end
@@ -168,4 +178,4 @@ class apb_monitor#(`_APB_AGENT_PARAM_DEFS) extends uvm_monitor;
 
     endtask : run_phase
 
-endclass : apb_monitor
+endclass : apb_monitor