diff --git a/repak/src/error.rs b/repak/src/error.rs
index a669106..affffae 100644
--- a/repak/src/error.rs
+++ b/repak/src/error.rs
@@ -13,6 +13,9 @@ pub enum Error {
     #[error("io error: {0}")]
     Io(#[from] std::io::Error),
 
+    #[error("fmt error: {0}")]
+    Fmt(#[from] std::fmt::Error),
+
     #[error("utf8 conversion: {0}")]
     Utf8(#[from] std::string::FromUtf8Error),
 
@@ -68,8 +71,8 @@ pub enum Error {
     #[error("error with OsString")]
     OsString(std::ffi::OsString),
 
-    #[error("version unsupported or is encrypted (possibly missing --aes-key?)")]
-    UnsuportedOrEncrypted,
+    #[error("{0}version unsupported or is encrypted (possibly missing --aes-key?)")]
+    UnsuportedOrEncrypted(String),
 
     #[error("{0}")]
     Other(String),
diff --git a/repak/src/pak.rs b/repak/src/pak.rs
index ceddc09..fd86da5 100644
--- a/repak/src/pak.rs
+++ b/repak/src/pak.rs
@@ -83,15 +83,21 @@ impl PakReader {
         mut reader: R,
         key: Option<aes::Aes256>,
     ) -> Result<Self, super::Error> {
+        use std::fmt::Write;
+        let mut log = "\n".to_owned();
+
         for ver in Version::iter() {
             match Pak::read(&mut reader, ver, key.clone()) {
                 Ok(pak) => {
                     return Ok(PakReader { pak, key });
                 }
-                _ => continue,
+                Err(err) => {
+                    writeln!(log, "trying version {} failed: {}", ver, err)?;
+                    continue;
+                }
             }
         }
-        Err(super::Error::UnsuportedOrEncrypted)
+        Err(super::Error::UnsuportedOrEncrypted(log))
     }
 
     pub fn version(&self) -> super::Version {