diff --git a/test/fims.log b/test/fims.log
index f3501d9..bdb7293 100644
--- a/test/fims.log
+++ b/test/fims.log
@@ -1,90 +1,101 @@
 [
 {
-"timestamp" : "Thu May  2 10:37:45 2024",
+"timestamp" : "Mon May  6 10:17:36 2024",
 "level" : "info",
 "message" : "Initializing FIMS logging system.",
 "id" : "0",
 "user" : "mattadmin",
 "wd" : "/Users/mattadmin/ModularTMBExample/logging-refactor/ModularTMBExample/test",
 "file" : "./../inst/include/interface/rcpp/rcpp_interface.hpp",
-"function" : "void InitLogging()",
-"line" : "78"
+"routine" : "void InitLogging()",
+"line" : "108"
 },
 {
-"timestamp" : "Thu May  2 10:37:45 2024",
+"timestamp" : "Mon May  6 10:17:36 2024",
 "level" : "info",
 "message" : "CreateModel: 2 instantiated model objects.",
 "id" : "1",
 "user" : "mattadmin",
 "wd" : "/Users/mattadmin/ModularTMBExample/logging-refactor/ModularTMBExample/test",
 "file" : "./../inst/include/interface/rcpp/rcpp_interface.hpp",
-"function" : "bool CreateModel()",
+"routine" : "bool CreateModel()",
 "line" : "11"
 },
 {
-"timestamp" : "Thu May  2 10:37:45 2024",
+"timestamp" : "Mon May  6 10:17:36 2024",
 "level" : "info",
 "message" : "vonBertalanffyInterface::prepare.",
 "id" : "2",
 "user" : "mattadmin",
 "wd" : "/Users/mattadmin/ModularTMBExample/logging-refactor/ModularTMBExample/test",
 "file" : "./../inst/include/interface/rcpp/rcpp_objects/rcpp_growth.hpp",
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 "line" : "106"
 },
 {
-"timestamp" : "Thu May  2 10:37:45 2024",
+"timestamp" : "Mon May  6 10:17:36 2024",
 "level" : "info",
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 "user" : "mattadmin",
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 "file" : "./../inst/include/interface/rcpp/rcpp_objects/rcpp_growth.hpp",
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 "line" : "54"
 },
 {
-"timestamp" : "Thu May  2 10:37:45 2024",
+"timestamp" : "Mon May  6 10:17:36 2024",
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+"routine" : "bool vonBertalanffyInterface::prepare_local() [Type = CppAD::AD<double>]",
 "line" : "54"
 },
 {
-"timestamp" : "Thu May  2 10:37:45 2024",
+"timestamp" : "Mon May  6 10:17:36 2024",
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 "file" : "./../inst/include/interface/rcpp/rcpp_objects/rcpp_growth.hpp",
-"function" : "bool vonBertalanffyInterface::prepare_local() [Type = CppAD::AD<CppAD::AD<double>>]",
+"routine" : "bool vonBertalanffyInterface::prepare_local() [Type = CppAD::AD<CppAD::AD<double>>]",
 "line" : "54"
 },
 {
-"timestamp" : "Thu May  2 10:37:45 2024",
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+"routine" : "bool vonBertalanffyInterface::prepare_local() [Type = CppAD::AD<CppAD::AD<CppAD::AD<double>>>]",
 "line" : "54"
 },
 {
-"timestamp" : "Thu May  2 10:37:45 2024",
+"timestamp" : "Mon May  6 10:17:36 2024",
 "level" : "info",
 "message" : "vonBertalanffyInterface::finalize.",
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 "wd" : "/Users/mattadmin/ModularTMBExample/logging-refactor/ModularTMBExample/test",
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-"function" : "void vonBertalanffyInterface::finalize(Rcpp::NumericVector)",
+"routine" : "void vonBertalanffyInterface::finalize(Rcpp::NumericVector)",
 "line" : "123"
+},
+{
+"timestamp" : "Mon May  6 10:17:36 2024",
+"level" : "error",
+"message" : "test error callback",
+"id" : "8",
+"user" : "mattadmin",
+"wd" : "/Users/mattadmin/ModularTMBExample/logging-refactor/ModularTMBExample/test",
+"file" : "R_callback",
+"routine" : "R_script_entry",
+"line" : "0"
 }
 ]
\ No newline at end of file