diff --git a/src/app/execution/txRunner.js b/src/app/execution/txRunner.js
index 9812fe1b39..889c789dab 100644
--- a/src/app/execution/txRunner.js
+++ b/src/app/execution/txRunner.js
@@ -56,12 +56,15 @@ TxRunner.prototype.execute = function (args, callback) {
         var blockGasLimit = executionContext.currentblockGasLimit()
         // NOTE: estimateGas very likely will return a large limit if execution of the code failed
         //       we want to be able to run the code in order to debug and find the cause for the failure
+
+        var warnEstimation = ' An important gas estimation might also be the sign of a problem in the contract code. Please check loops and be sure you did not sent value to a non payable function (that\'s also the reason of strong gas estimation).'
         if (gasEstimation > gasLimit) {
-          return callback('Gas required exceeds limit: ' + gasLimit)
+          return callback('Gas required exceeds limit: ' + gasLimit + '. ' + warnEstimation)
         }
         if (gasEstimation > blockGasLimit) {
-          return callback('Gas required exceeds block gas limit: ' + gasLimit)
+          return callback('Gas required exceeds block gas limit: ' + gasLimit + '. ' + warnEstimation)
         }
+
         tx.gas = gasEstimation
         var sendTransaction = self.personalMode ? executionContext.web3().personal.sendTransaction : executionContext.web3().eth.sendTransaction
         try {
diff --git a/src/app/panels/terminal.js b/src/app/panels/terminal.js
index c5215a0362..772cbfde42 100644
--- a/src/app/panels/terminal.js
+++ b/src/app/panels/terminal.js
@@ -508,7 +508,6 @@ class Terminal {
     }, 0)
   }
   _blocksRenderer (mode) {
-    var self = this
     mode = { log: 'black', info: 'blue', error: 'red' }[mode] // defaults
     if (mode) {
       return function logger (args, scopedCommands, append) {
@@ -516,9 +515,7 @@ class Terminal {
         var values = javascriptserialize.apply(null, args).map(function (val, idx) {
           if (typeof args[idx] === 'string') val = args[idx]
           if (types[idx] === 'element') val = jsbeautify.html(val)
-          var pattern = '.{1,' + self.data.lineLength + '}'
-          var lines = val.match(new RegExp(pattern, 'g'))
-          return lines.map(str => document.createTextNode(`${str}\n`))
+          return val
         })
         append(yo`<span style="color: ${mode};">${values}</span>`)
       }