Wise Chat Pro [upload file]

Hello, I have problem only with file uploader.
Image uploader and emoticones is fine but when i want to upload some file noithing happen and i have this error:

[10/2/2021 13:18:7] [wisechat.engines.AjaxEngine] [onMessageSentError] [responseText] <br /> <font size='1'><table class='xdebug-error xe-notice' dir='ltr' border='1' cellspacing='0' cellpadding='1'> <tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Notice: WordPress Wise Chat plugin error: Curl extension is not installed in C:\wordpress\wamp\www\start\wp-content\plugins\wise-chat-pro\src\services\WiseChatAttachmentsService.php on line <i>322</i></th></tr> <tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr> <tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th align='left' bgcolor='#eeeeec'>Memory</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>Location</th></tr> <tr><td bgcolor='#eeeeec' align='center'>1</td><td bgcolor='#eeeeec' align='center'>0.0005</td><td bgcolor='#eeeeec' align='right'>493008</td><td bgcolor='#eeeeec'>{main}( )</td><td title='C:\wordpress\wamp\www\start\wp-admin\admin-ajax.php' bgcolor='#eeeeec'>...\admin-ajax.php<b>:</b>0</td></tr> <tr><td bgcolor='#eeeeec' align='center'>2</td><td bgcolor='#eeeeec' align='center'>0.4492</td><td bgcolor='#eeeeec' align='right'>13942936</td><td bgcolor='#eeeeec'>do_action( )</td><td title='C:\wordpress\wamp\www\start\wp-admin\admin-ajax.php' bgcolor='#eeeeec'>...\admin-ajax.php<b>:</b>184</td></tr> <tr><td bgcolor='#eeeeec' align='center'>3</td><td bgcolor='#eeeeec' align='center'>0.4492</td><td bgcolor='#eeeeec' align='right'>13943312</td><td bgcolor='#eeeeec'>WP_Hook->do_action( )</td><td title='C:\wordpress\wamp\www\start\wp-includes\plugin.php' bgcolor='#eeeeec'>...\plugin.php<b>:</b>484</td></tr> <tr><td bgcolor='#eeeeec' align='center'>4</td><td bgcolor='#eeeeec' align='center'>0.4492</td><td bgcolor='#eeeeec' align='right'>13943312</td><td bgcolor='#eeeeec'>WP_Hook->apply_filters( )</td><td title='C:\wordpress\wamp\www\start\wp-includes\class-wp-hook.php' bgcolor='#eeeeec'>...\class-wp-hook.php<b>:</b>311</td></tr> <tr><td bgcolor='#eeeeec' align='center'>5</td><td bgcolor='#eeeeec' align='center'>0.4492</td><td bgcolor='#eeeeec' align='right'>13944440</td><td bgcolor='#eeeeec'>wise_chat_endpoint_message( )</td><td title='C:\wordpress\wamp\www\start\wp-includes\class-wp-hook.php' bgcolor='#eeeeec'>...\class-wp-hook.php<b>:</b>287</td></tr> <tr><td bgcolor='#eeeeec' align='center'>6</td><td bgcolor='#eeeeec' align='center'>0.4495</td><td bgcolor='#eeeeec' align='right'>13950224</td><td bgcolor='#eeeeec'>WiseChatEndpoints->messageEndpoint( )</td><td title='C:\wordpress\wamp\www\start\wp-content\plugins\wise-chat-pro\wise-chat-core.php' bgcolor='#eeeeec'>...\wise-chat-core.php<b>:</b>128</td></tr> <tr><td bgcolor='#eeeeec' align='center'>7</td><td bgcolor='#eeeeec' align='center'>0.4531</td><td bgcolor='#eeeeec' align='right'>13998920</td><td bgcolor='#eeeeec'>WiseChatMessagesService->addMessage( )</td><td title='C:\wordpress\wamp\www\start\wp-content\plugins\wise-chat-pro\src\endpoints\WiseChatEndpoints.php' bgcolor='#eeeeec'>...\WiseChatEndpoints.php<b>:</b>296</td></tr> <tr><td bgcolor='#eeeeec' align='center'>8</td><td bgcolor='#eeeeec' align='center'>0.5266</td><td bgcolor='#eeeeec' align='right'>14121216</td><td bgcolor='#eeeeec'>WiseChatMessagesService->saveAttachments( )</td><td title='C:\wordpress\wamp\www\start\wp-content\plugins\wise-chat-pro\src\services\WiseChatMessagesService.php' bgcolor='#eeeeec'>...\WiseChatMessagesService.php<b>:</b>242</td></tr> <tr><td bgcolor='#eeeeec' align='center'>9</td><td bgcolor='#eeeeec' align='center'>0.5267</td><td bgcolor='#eeeeec' align='right'>14186752</td><td bgcolor='#eeeeec'>WiseChatAttachmentsService->saveAttachment( )</td><td title='C:\wordpress\wamp\www\start\wp-content\plugins\wise-chat-pro\src\services\WiseChatMessagesService.php' bgcolor='#eeeeec'>...\WiseChatMessagesService.php<b>:</b>358</td></tr> <tr><td bgcolor='#eeeeec' align='center'>10</td><td bgcolor='#eeeeec' align='center'>0.5267</td><td bgcolor='#eeeeec' align='right'>14186752</td><td bgcolor='#eeeeec'>WiseChatAttachmentsService->checkRequirements( )</td><td title='C:\wordpress\wamp\www\start\wp-content\plugins\wise-chat-pro\src\services\WiseChatAttachmentsService.php' bgcolor='#eeeeec'>...\WiseChatAttachmentsService.php<b>:</b>47</td></tr> <tr><td bgcolor='#eeeeec' align='center'>11</td><td bgcolor='#eeeeec' align='center'>0.5267</td><td bgcolor='#eeeeec' align='right'>14186752</td><td bgcolor='#eeeeec'>WiseChatAttachmentsService->logError( )</td><td title='C:\wordpress\wamp\www\start\wp-content\plugins\wise-chat-pro\src\services\WiseChatAttachmentsService.php' bgcolor='#eeeeec'>...\WiseChatAttachmentsService.php<b>:</b>309</td></tr> <tr><td bgcolor='#eeeeec' align='center'>12</td><td bgcolor='#eeeeec' align='center'>0.5267</td><td bgcolor='#eeeeec' align='right'>14186848</td><td bgcolor='#eeeeec'><a href='https://www.php.net/function.trigger-error' target='_new'>trigger_error</a> ( )</td><td title='C:\wordpress\wamp\www\start\wp-content\plugins\wise-chat-pro\src\services\WiseChatAttachmentsService.php' bgcolor='#eeeeec'>...\WiseChatAttachmentsService.php<b>:</b>322</td></tr> </table></font> {"message":{"hidden":false},"result":"OK"}