diff --git a/.Rbuildignore b/.Rbuildignore
index a850852..853f150 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -8,4 +8,5 @@
 ^Meta$
 ^\.github$
 ^rebuild_vignettes.R$
-^\.lintr$
\ No newline at end of file
+^\.lintr$
+^\.devcontainer$
\ No newline at end of file
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..bfaaa24
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,18 @@
+{
+  "image": "ghcr.io/rocker-org/r-ver:4.6",
+  "features": {
+    "ghcr.io/rocker-org/devcontainer-features/r-packages:1": {
+      "packages": "pkgdown, testthat, knitr, rmarkdown, visreg, lm.beta, ggplot2, lavaan, manymome, rlang"
+    },
+    // "ghcr.io/rocker-org/devcontainer-features/quarto-cli:1": {
+    //   "installChromium": true
+    // },
+    // "ghcr.io/rocker-org/devcontainer-features/apt-packages:1": {
+    //   "packages": "chromium"
+    // },
+    //"ghcr.io/rocker-org/devcontainer-features/pandoc:latest": {
+    //"version": "2.17"
+    //},
+    //"ghcr.io/rocker-org/devcontainer-features/r-dependent-packages:latest": {},
+  },
+}
diff --git a/DESCRIPTION b/DESCRIPTION
index 6fac3c4..da54e5c 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: stdmod
 Title: Standardized Moderation Effect and Its Confidence Interval
-Version: 0.2.12
+Version: 0.2.13
 Authors@R:
     c(person(given = "Shu Fai",
            family = "Cheung",
diff --git a/NEWS.md b/NEWS.md
index 2e7e7ca..1b6772f 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,11 @@
+# stdmod 0.2.13
+
+## Miscellaneous
+
+- Fixed a CRAN check issue with R-devel
+  (2026-05-03 r89994 ucrt).
+  (0.2.13)
+
 # stdmod 0.2.12
 
 ## Miscellaneous
diff --git a/R/condeff.R b/R/condeff.R
index d65f94d..066b432 100644
--- a/R/condeff.R
+++ b/R/condeff.R
@@ -153,14 +153,14 @@ cond_effect <- function(output,
     w_method <- match.arg(w_method)
     x0 <- deparse(substitute(x))
     if (inherits(tryCatch(x00 <- as.character(x), error = function(e) e),
-                 "simpleError")) {
+                 "error")) {
         x <- x0
       } else {
         x <- x00
       }
     w0 <- deparse(substitute(w))
     if (inherits(tryCatch(w00 <- as.character(w), error = function(e) e),
-                 "simpleError")) {
+                 "error")) {
         w <- w0
       } else {
         w <- w00
diff --git a/R/condeff_boot.R b/R/condeff_boot.R
index 68badef..986759f 100644
--- a/R/condeff_boot.R
+++ b/R/condeff_boot.R
@@ -107,14 +107,14 @@ cond_effect_boot <- function(output,
                               do_boot = TRUE) {
     x0 <- deparse(substitute(x))
     if (inherits(tryCatch(x00 <- as.character(x), error = function(e) e),
-                 "simpleError")) {
+                 "error")) {
         x <- x0
       } else {
         x <- x00
       }
     w0 <- deparse(substitute(w))
     if (inherits(tryCatch(w00 <- as.character(w), error = function(e) e),
-                 "simpleError")) {
+                 "error")) {
         w <- w0
       } else {
         w <- w00
diff --git a/R/plotmod.R b/R/plotmod.R
index 20d360e..3ed4701 100644
--- a/R/plotmod.R
+++ b/R/plotmod.R
@@ -218,14 +218,14 @@ plotmod <- function(output, x, w,
     graph_type <- match.arg(graph_type)
     x0 <- deparse(substitute(x))
     if (inherits(tryCatch(x00 <- as.character(x), error = function(e) e),
-                 "simpleError")) {
+                 "error")) {
         x <- x0
       } else {
         x <- x00
       }
     w0 <- deparse(substitute(w))
     if (inherits(tryCatch(w00 <- as.character(w), error = function(e) e),
-                 "simpleError")) {
+                 "error")) {
         w <- w0
       } else {
         w <- w00
diff --git a/README.md b/README.md
index 6539cc1..9e7ad6f 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 
 # stdmod: Standardized Moderation <img src="man/figures/logo.png" align="right" height="150" />
 
-(Version 0.2.12, updated on 2026-01-07, [release history](https://sfcheung.github.io/stdmod/news/index.html))
+(Version 0.2.13, updated on 2026-05-04, [release history](https://sfcheung.github.io/stdmod/news/index.html))
 
 (Important changes since 0.2.0.0: Bootstrap confidence intervals and
 variance-covariance matrix of estimates are the defaults of `confint()`