Test Cases/test 3 spies FAILED

Hi Im new here need help Im running a auto test when I auto run I get this message,
Reason:
com.kms.katalon.core.exception.StepFailedException: Unable to set text ‘!s3cur3A9’ of object ‘Object Repository/Page_DGITS-SPIES 123/input_DGITS-SPIES 123_2b718453-6ae3-45fe-84d9-425b8c44a138’
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.stepFailed(WebUIKeywordMain.groovy:64)
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.runKeyword(WebUIKeywordMain.groovy:26)
at com.kms.katalon.core.webui.keyword.builtin.SetTextKeyword.setText(SetTextKeyword.groovy:66)
at com.kms.katalon.core.webui.keyword.builtin.SetTextKeyword.execute(SetTextKeyword.groovy:37)
at com.kms.katalon.core.keyword.internal.KeywordExecutor.executeKeywordForPlatform(KeywordExecutor.groovy:56)
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords.setText(WebUiBuiltInKeywords.groovy:950)
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords$setText$1.call(Unknown Source)
at test 3 spies.run(test 3 spies:26)
at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)
at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)
at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:337)
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:328)
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:307)
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:299)
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:233)
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:114)
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:105)
at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source)
at TempTestCase1566485788469.run(TempTestCase1566485788469.groovy:21)
Caused by: org.openqa.selenium.InvalidElementStateException: Element is read-only:
Build info: version: ‘3.141.59’, revision: ‘e82be7d358’, time: ‘2018-11-14T08:25:53’
System info: host: ‘PH-MARK’, ip: ‘172.20.100.6’, os.name: ‘Windows 10’, os.arch: ‘amd64’, os.version: ‘10.0’, java.version: ‘1.8.0_181’
Driver info: com.kms.katalon.core.webui.driver.firefox.CGeckoDriver
Capabilities {acceptInsecureCerts: true, browserName: firefox, browserVersion: 68.0.2, javascriptEnabled: true, moz:accessibilityChecks: false, moz:buildID: 20190813150448, moz:geckodriverVersion: 0.23.0, moz:headless: false, moz:processID: 15812, moz:profile: C:\Users\phteam1\AppData\Lo…, moz:shutdownTimeout: 60000, moz:useNonSpecCompliantPointerOrigin: false, moz:webdriverClick: true, pageLoadStrategy: normal, platform: WINDOWS, platformName: WINDOWS, platformVersion: 10.0, proxy: Proxy(direct), rotatable: false, setWindowRect: true, strictFileInteractability: false, timeouts: {implicit: 0, pageLoad: 300000, script: 30000}, unhandledPromptBehavior: dismiss and notify}
Session ID: af3d6268-7ecf-4e28-abe4-e7187bf90f02
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:187)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:122)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:49)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:158)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552)
at com.kms.katalon.selenium.driver.CFirefoxDriver.execute(CFirefoxDriver.java:28)
at org.openqa.selenium.remote.RemoteWebElement.execute(RemoteWebElement.java:285)
at org.openqa.selenium.remote.RemoteWebElement.clear(RemoteWebElement.java:124)
at com.kms.katalon.core.webui.keyword.builtin.SetTextKeyword$_setText_closure1.doCall(SetTextKeyword.groovy:53)
at com.kms.katalon.core.webui.keyword.builtin.SetTextKeyword$_setText_closure1.call(SetTextKeyword.groovy)
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.runKeyword(WebUIKeywordMain.groovy:20)
… 17 more

You can’t modify a readonly element.

(Actually, there are ways, but you certainly should not and Katalon/Selenium is correct to prevent it.)