Please guide me how can i resolve the issue

Dolibarr has detected a technical error.
You use an experimental or develop level of features, so please do NOT report any bugs, except if problem is confirmed moving option MAIN_FEATURES_LEVEL back to 0.
This information can be useful for diagnostic purposes (you can set option $dolibarr_main_prod to ‘1’ to remove such notices):
Date: 20210120084918
Dolibarr: 12.0.4 - https://www.dolibarr.org
Level of features: 7
PHP: 7.3.12
Server: Apache/2.4.41 (Win64) PHP/7.3.12
OS: Windows NT DESKTOP-8N9SE63 10.0 build 18363 (Windows 10) AMD64
UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36 Edg/87.0.664.75

Requested URL: /dolibarr/custom/dolireport/list.php?idmenu=82&mainmenu=dolireport&leftmenu=
Referer: http://localhost/dolibarr/index.php?mainmenu=home
Menu manager: eldy_menu.php

Modules/Applications: user, api, syslog, service, stock, documentgeneration, label, receiptprinter, productbatch, variants, bom, mrp, reception, externalsite, timesheet, projet, resource, ecm, categorie, fckeditor, expensereport, multicurrency, externalrss, bookmark, adherent, barcode, workflow, import, export, taxbyaccount, opensurvey, mailing, paypal, holiday, modulebuilder, cashdesk, societe, kanprospects, propal, commande, webservices, ldap, expedition, collab, useractivitydashboard, contrat, ficheinter, ticket, ftp, expeditionplus, agenda, factory, importpropallines, contab, takepos, accounting, adminer, visualquery, facturadian, emailcollector, oauth, debugbar, blockedlog, dav, mailmanspip, printing, stripe, dolireport, fournisseur, supplier_proposal, incoterm, cron, facture, formstyler, framework, tax, salaries, loan, don, asset, dynamicprices, hrm, paymentbybanktransfer, consumption, banque, prelevement, margin, datapolicy, product
Database type manager: mysqli
Latest database access request error: SELECT report.rowid, report.label, report.fk_user_author, report.status FROM llx_dolireport_report as report WHERE report.visible=1 AND () ORDER BY report.label ASC
Return code for latest database access request error: DB_ERROR_SYNTAX
Information for latest database access request error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ‘) ORDER BY report.label ASC’ at line 1

Hi,

The error is due to the external module dolireport
You should contact the developer of this module.
No support of external module is done on this forum (except by the developer itself).