diff --git a/Linux/Server/startup-server.sh b/Linux/Server/startup-server.sh
index c3c99d0..8e689aa 100644
--- a/Linux/Server/startup-server.sh
+++ b/Linux/Server/startup-server.sh
@@ -9,13 +9,16 @@ if [ -d .git ]; then
     git fetch "https://${GIT_USERNAME}:${GIT_PAT}@${CLEAN_REPO_URL}" "${GIT_BRANCH}"
     git reset --hard FETCH_HEAD
 fi
+
 # Constants
 EXTENSIONS="yml json conf properties"  # Space-separated list of extensions
-ENV="production"                 # Change this to the environment you need
+ENV="development"                 # Change this to the environment you need
 DRY_RUN="false"                  # Change to true if you want to simulate changes without modifying files
 MAX_BACKUPS=3                    # Maximum number of backup files to keep
+IGNORED_PLACEHOLDERS="playerUUID playerName playerUUIDNoDash"  # Space-separated list of placeholders to ignore
+
 # Load environment variables from .env.production file
-ENV_FILE=".env.production"
+ENV_FILE=".env.development"
 if [ -f "$ENV_FILE" ]; then
     echo "Loading environment variables from $ENV_FILE..."
     # Read each line in .env.production
@@ -34,10 +37,23 @@ else
     echo "Error: $ENV_FILE not found!"
     exit 1
 fi
+
 # Function to escape special characters for sed
 escape_sed_special_chars() {
     echo "$1" | sed 's/[][\/.^$*]/\\&/g'
 }
+
+# Function to check if a variable is in the ignored list
+is_ignored_placeholder() {
+    local var="$1"
+    for ignored in $IGNORED_PLACEHOLDERS; do
+        if [ "$var" = "$ignored" ]; then
+            return 0
+        fi
+    done
+    return 1
+}
+
 # Function to manage backups
 manage_backups() {
     local output_file="$1"
@@ -88,9 +104,9 @@ for EXT in $EXTENSIONS; do
             manage_backups "$OUTPUT_FILE"
         fi
         
-        # Validate unresolved placeholders
+        # Validate unresolved placeholders (excluding ignored ones)
         UNRESOLVED=$(grep -o '\${[A-Za-z_][A-Za-z0-9_]*}' "$TEMPLATE_FILE" | sed 's/[${}]//g' | while read -r var; do
-            if [ -z "$(eval echo "\$$var")" ]; then
+            if ! is_ignored_placeholder "$var" && [ -z "$(eval echo "\$$var")" ]; then
                 echo "$var"
             fi
         done)
@@ -99,15 +115,17 @@ for EXT in $EXTENSIONS; do
             echo "Ensure the following variables are defined in $ENV_FILE: $UNRESOLVED"
             exit 1
         fi
-        # Replace placeholders with environment variable values
+        
+        # Replace placeholders with environment variable values (skip ignored ones)
         sed_script=""
         while IFS='=' read -r key value; do
-            if [ -n "$key" ] && [ "${key#\#}" = "$key" ]; then
+            if [ -n "$key" ] && [ "${key#\#}" = "$key" ] && ! is_ignored_placeholder "$key"; then
                escaped_key=$(escape_sed_special_chars "$key")
                escaped_value=$(escape_sed_special_chars "$(eval echo "\$$key")")
               sed_script="${sed_script}s|\${${escaped_key}}|${escaped_value}|g;"
             fi
         done < "$ENV_FILE"
+        
         # Generate the output file
         sed -e "$sed_script" "$TEMPLATE_FILE" > "$OUTPUT_FILE"
         echo "Processed $TEMPLATE_FILE into $OUTPUT_FILE"