Adding missing error cause messages.

backend/src/api/bisq/bisq.ts

@@ -160,7 +160,7 @@ class Bisq {
       this.buildIndex();
       this.calculateStats();
     } catch (e) {
-      logger.err('loadBisqDumpFile() error.' + e.message);
+      logger.err('loadBisqDumpFile() error.' + e.message || e);
     }
   }
 

backend/src/api/bisq/markets.ts

@@ -98,7 +98,7 @@ class Bisq {
         logger.debug('Bisq market data updated in ' + time + ' ms');
       }
     } catch (e) {
-      logger.err('loadBisqMarketDataDumpFile() error.' + e.message);
+      logger.err('loadBisqMarketDataDumpFile() error.' + e.message || e);
     }
   }