diff --git a/core/src/com/unciv/ui/screens/civilopediascreen/FormattedLine.kt b/core/src/com/unciv/ui/screens/civilopediascreen/FormattedLine.kt
index 26c656d567..ac0317f82d 100644
--- a/core/src/com/unciv/ui/screens/civilopediascreen/FormattedLine.kt
+++ b/core/src/com/unciv/ui/screens/civilopediascreen/FormattedLine.kt
@@ -10,8 +10,10 @@ import com.badlogic.gdx.scenes.scene2d.ui.Image
 import com.badlogic.gdx.scenes.scene2d.ui.Table
 import com.badlogic.gdx.scenes.scene2d.utils.TextureRegionDrawable
 import com.badlogic.gdx.utils.Align
+import com.badlogic.gdx.utils.GdxRuntimeException
 import com.unciv.Constants
 import com.unciv.UncivGame
+import com.unciv.logic.UncivShowableException
 import com.unciv.models.metadata.BaseRuleset
 import com.unciv.models.ruleset.Ruleset
 import com.unciv.models.ruleset.RulesetCache
@@ -21,7 +23,6 @@ import com.unciv.ui.components.extensions.toLabel
 import com.unciv.ui.components.widgets.ColorMarkupLabel
 import com.unciv.ui.images.ImageGetter
 import com.unciv.ui.screens.basescreen.BaseScreen
-import com.unciv.utils.Log
 import kotlin.math.max
 
 /* Ideas:
@@ -237,6 +238,8 @@ class FormattedLine (
      * Renders the formatted line as a scene2d [Actor] (currently always a [Table])
      * @param labelWidth Total width to render into, needed to support wrap on Labels.
      * @param iconDisplay Flag to omit link or all images.
+     * @throws UncivShowableException extraImage not found
+     * @throws GdxRuntimeException extraImage file invalid
      */
     fun render(labelWidth: Float, iconDisplay: IconDisplay = IconDisplay.All): Actor {
         if (extraImage.isNotEmpty()) return renderExtraImage(labelWidth)
@@ -295,26 +298,24 @@ class FormattedLine (
 
     private fun renderExtraImage(labelWidth: Float): Table {
         val table = Table(BaseScreen.skin)
-        fun getExtraImage(): Image? {
+        fun getExtraImage(): Image {
             if (ImageGetter.imageExists(extraImage))
                 return if (centered) ImageGetter.getDrawable(extraImage).cropToContent()
                     else ImageGetter.getImage(extraImage)
             val externalImage = ImageGetter.findExternalImage(extraImage)
-                ?: return null
+                ?: throw UncivShowableException("Extra image '[$extraImage]' not found")
             return ImageGetter.getExternalImage(externalImage)
         }
-        try {
-            val image = getExtraImage() ?: return table
-            // limit larger cordinate to a given max size
-            val maxSize = if (imageSize.isNaN()) labelWidth else imageSize
-            val (width, height) = if (image.width > image.height)
-                maxSize to maxSize * image.height / image.width
-            else maxSize * image.width / image.height to maxSize
-            table.add(image).size(width, height)
-        } catch (exception: Exception) {
-            Log.error("Exception while rendering civilopedia text", exception)
-        }
+        val image = getExtraImage()
+        // limit larger cordinate to a given max size
+        val maxSize = if (imageSize.isNaN()) labelWidth else imageSize
+        val (width, height) = if (image.width > image.height)
+            maxSize to maxSize * image.height / image.width
+        else maxSize * image.width / image.height to maxSize
+        table.add(image).size(width, height)
         return table
+        // If a caller ever catches and displays it might be prettier to convert the case of image formats too modern for Gdx:
+        // catch (exception: GdxRuntimeException) .. if (exception.cause is IOException) throw UncivShowableException("${exception.message} (${exception.cause!!.message})")
     }
 
     /** Place a RuleSet object icon.