Not able to deploy contract in step 5

[mishaaaa]

No description provided.

[mishaaaa]

Command Given :
web3.eth.personal.unlockAccount(web3.eth.defaultAccount, "user").then(() => TokenDeployTransaction.estimateGas()).then(gas => TokenDeployTransaction.send({gasLimit: 5000000, from: web3.eth.defaultAccount})).then(contract => { console.log("Address of new contract: " + contract.options.address); TokenContract = contract; }).catch(err => console.log(err));
Error:
Promise {
,
domain:
Domain {
domain: null,
_events:
[Object: null prototype] {
removeListener: [Function: updateExceptionCapture],
newListener: [Function: updateExceptionCapture],
error: [Function: debugDomainError] },
_eventsCount: 3,
_maxListeners: undefined,
members: [],
[Symbol(kWeak)]: WeakReference {} } }

Error: Returned error: The execution failed due to an exception.
at Object.ErrorResponse (/home/krishnan/pwasm-tutorial/node_modules/web3-core-helpers/src/errors.js:29:16)
at /home/krishnan/pwasm-tutorial/node_modules/web3-core-requestmanager/src/index.js:140:36
at XMLHttpRequest.request.onreadystatechange (/home/krishnan/pwasm-tutorial/node_modules/web3-providers-http/src/index.js:96:13)
at XMLHttpRequestEventTarget.dispatchEvent (/home/krishnan/pwasm-tutorial/node_modules/xhr2-cookies/dist/xml-http-request-event-target.js:34:22)
at XMLHttpRequest._setReadyState (/home/krishnan/pwasm-tutorial/node_modules/xhr2-cookies/dist/xml-http-request.js:208:14)
at XMLHttpRequest._onHttpResponseEnd (/home/krishnan/pwasm-tutorial/node_modules/xhr2-cookies/dist/xml-http-request.js:318:14)
at IncomingMessage. (/home/krishnan/pwasm-tutorial/node_modules/xhr2-cookies/dist/xml-http-request.js:289:61)
at IncomingMessage.emit (events.js:203:15)
at IncomingMessage.EventEmitter.emit (domain.js:466:23)
at endReadableNT (_stream_readable.js:1129:12)
at process._tickCallback (internal/process/next_tick.js:63:19)
parity version :
Parity Ethereum
version Parity-Ethereum/v2.6.0-beta-e38293b-20190708/x86_64-linux-gnu/rustc1.36.0

[mishaaaa]

I have avoided the estimate gas command and given a new command.
The new command is
web3.eth.personal.unlockAccount(web3.eth.defaultAccount, "user").then(gas => TokenDeployTransaction.send({gasLimit: 500000000, from: web3.eth.defaultAccount})).then(contract => { console.log("Address of new contract: " + contract.options.address); TokenContract = contract; }).catch(err => console.log(err));
Error is
Promise {
,
domain:
Domain {
domain: null,
_events:
[Object: null prototype] {
removeListener: [Function: updateExceptionCapture],
newListener: [Function: updateExceptionCapture],
error: [Function: debugDomainError] },
_eventsCount: 3,
_maxListeners: undefined,
members: [],
[Symbol(kWeak)]: WeakReference {} } }

Error: The contract code couldn't be stored, please check your gas limit.
at Object.callback (/home/krishnan/pwasm-tutorial/node_modules/web3-core-method/src/index.js:333:46)
at sendTxCallback (/home/krishnan/pwasm-tutorial/node_modules/web3-core-method/src/index.js:484:29)
at /home/krishnan/pwasm-tutorial/node_modules/web3-core-requestmanager/src/index.js:147:9
at XMLHttpRequest.request.onreadystatechange (/home/krishnan/pwasm-tutorial/node_modules/web3-providers-http/src/index.js:96:13)
at XMLHttpRequestEventTarget.dispatchEvent (/home/krishnan/pwasm-tutorial/node_modules/xhr2-cookies/dist/xml-http-request-event-target.js:34:22)
at XMLHttpRequest._setReadyState (/home/krishnan/pwasm-tutorial/node_modules/xhr2-cookies/dist/xml-http-request.js:208:14)
at XMLHttpRequest._onHttpResponseEnd (/home/krishnan/pwasm-tutorial/node_modules/xhr2-cookies/dist/xml-http-request.js:318:14)
at IncomingMessage. (/home/krishnan/pwasm-tutorial/node_modules/xhr2-cookies/dist/xml-http-request.js:289:61)
at IncomingMessage.emit (events.js:203:15)
at IncomingMessage.EventEmitter.emit (domain.js:466:23)
at endReadableNT (_stream_readable.js:1129:12)
at process._tickCallback (internal/process/next_tick.js:63:19)

Even changing the gaslimit to 8000000 didnt solve the issue.