New Installation - New Events will not save

[RobWest66]

When attempting to add a new event, click save button, blank page is displayed, no event saved when I go back to homepage.

System Settings
PROGRAM_NAME: WebCalendar v1.9.1 ((08 Mar 2022))
SERVER_SOFTWARE: Apache
Web Browser: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15
PHP Version: 8.1.27
Default Encoding: UTF-8
db_type: mysqli
readonly: N
single_user: N
single_user_login:
use_http_auth: N
user_inc: user.php
ADD_LINK_IN_VIEWS: Y
ADMIN_OVERRIDE_UAC: Y
ALLOW_ATTACH: Y
ALLOW_ATTACH_ANY: N
ALLOW_ATTACH_PART: Y
ALLOW_COLOR_CUSTOMIZATION: Y
ALLOW_COMMENTS: N
ALLOW_COMMENTS_ANY: N
ALLOW_COMMENTS_PART: N
ALLOW_CONFLICTS: N
ALLOW_CONFLICT_OVERRIDE: Y
ALLOW_EXTERNAL_HEADER: N
ALLOW_EXTERNAL_USERS: N
ALLOW_HTML_DESCRIPTION: Y
ALLOW_SELF_REGISTRATION: N
ALLOW_USER_HEADER: N
ALLOW_USER_THEMES: Y
ALLOW_VIEW_OTHER: Y
APPLICATION_NAME: My drumming calendar
APPROVE_ASSISTANT_EVENT: Y
AUTO_REFRESH: N
AUTO_REFRESH_TIME: 0
BGCOLOR: #ffffff
BGREPEAT: repeat fixed center
BOLD_DAYS_IN_YEAR: Y
CAPTIONS: #B04040
CATEGORIES_ENABLED: Y
CELLBG: #c0c0c0
CONFLICT_REPEAT_MONTHS: 6
CUSTOM_HEADER: Y
CUSTOM_SCRIPT: N
CUSTOM_TRAILER: N
DATE_FORMAT: dd month yyyy
DATE_FORMAT_MD: dd month
DATE_FORMAT_MY: month yyyy
DATE_FORMAT_TASK: dd/mm/yy
DEMO_MODE: N
DISABLE_ACCESS_FIELD: Y
DISABLE_CROSSDAY_EVENTS: N
DISABLE_LOCATION_FIELD: N
DISABLE_PARTICIPANTS_FIELD: N
DISABLE_POPUPS: N
DISABLE_PRIORITY_FIELD: Y
DISABLE_REMINDER_FIELD: N
DISABLE_REPEATING_FIELD: N
DISABLE_URL_FIELD: Y
DISPLAY_ALL_DAYS_IN_MONTH: N
DISPLAY_CREATED_BYPROXY: Y
DISPLAY_DESC_PRINT_DAY: Y
DISPLAY_END_TIMES: N
DISPLAY_LOCATION: N
DISPLAY_LONG_DAYS: N
DISPLAY_MINUTES: N
DISPLAY_MOON_PHASES: N
DISPLAY_SM_MONTH: Y
DISPLAY_TASKS: N
DISPLAY_TASKS_IN_GRID: N
DISPLAY_UNAPPROVED: Y
DISPLAY_WEEKENDS: Y
DISPLAY_WEEKNUMBER: N
EMAIL_ASSISTANT_EVENTS: Y
EMAIL_EVENT_ADDED: Y
EMAIL_EVENT_CREATE: N
EMAIL_EVENT_DELETED: Y
EMAIL_EVENT_REJECTED: Y
EMAIL_EVENT_UPDATED: Y
EMAIL_FALLBACK_FROM: youremailhere
EMAIL_HTML: N
EMAIL_MAILER: mail
EMAIL_REMINDER: Y
ENABLE_CAPTCHA: Y
ENABLE_GRADIENTS: N
ENABLE_ICON_UPLOADS: Y
ENTRY_SLOTS: 144
EXTERNAL_NOTIFICATIONS: N
EXTERNAL_REMINDERS: N
FONTS: Arial, Helvetica, sans-serif
FREEBUSY_ENABLED: N
GENERAL_USE_GMT: Y
GROUPS_ENABLED: Y
H2COLOR: #000000
HASEVENTSBG: #d95000
IMPORT_CATEGORIES: Y
LANGUAGE: none
LIMIT_APPTS: Y
LIMIT_APPTS_NUMBER: 1
LIMIT_DESCRIPTION_SIZE: N
MENU_DATE_TOP: Y
MENU_ENABLED: Y
MENU_THEME: default
MYEVENTS: #006000
NONUSER_AT_TOP: Y
NONUSER_ENABLED: N
OTHERMONTHBG: #d0d0d0
OVERRIDE_PUBLIC: N
OVERRIDE_PUBLIC_TEXT: Not available
PARTICIPANTS_IN_POPUP: N
PLUGINS_ENABLED: N
POPUP_BG: #ffffff
POPUP_FG: #000000
PUBLIC_ACCESS: Y
PUBLIC_ACCESS_ADD_NEEDS_APPROVAL: Y
PUBLIC_ACCESS_CAN_ADD: Y
PUBLIC_ACCESS_DEFAULT_SELECTED: N
PUBLIC_ACCESS_DEFAULT_VISIBLE: N
PUBLIC_ACCESS_OTHERS: Y
PUBLIC_ACCESS_VIEW_PART: N
PUBLISH_ENABLED: Y
PULLDOWN_WEEKNUMBER: N
REMEMBER_LAST_LOGIN: N
REMINDER_DEFAULT: N
REMINDER_OFFSET: 240
REMINDER_WITH_DATE: N
REMOTES_ENABLED: N
REPORTS_ENABLED: N
REQUIRE_APPROVALS: Y
RSS_ENABLED: N
SELF_REGISTRATION_BLACKLIST: N
SELF_REGISTRATION_FULL: Y
SEND_EMAIL: N
SERVER_TIMEZONE: Australia/Sydney
SERVER_URL: http://www.robwest.website/calendar/
SITE_EXTRAS_IN_POPUP: N
SMTP_AUTH: N
SMTP_HOST: localhost
SMTP_PORT: 25
STARTVIEW: month.php
SUMMARY_LENGTH: 80
TABLEBG: #000000
TEXTCOLOR: #000000
THBG: #ffffff
THFG: #000000
TIMED_EVT_LEN: E
TIMEZONE: Australia/Sydney
TIME_FORMAT: 24
TIME_SLOTS: 24
TIME_SPACER: »
TODAYCELLBG: #ffb5af
UAC_ENABLED: N
UPCOMING_ALLOW_OVR: N
UPCOMING_DISPLAY_CAT_ICONS: Y
UPCOMING_DISPLAY_LAYERS: N
UPCOMING_DISPLAY_LINKS: Y
UPCOMING_DISPLAY_POPUPS: Y
UPCOMING_EVENTS: Y
USER_PUBLISH_ENABLED: Y
USER_PUBLISH_RW_ENABLED: Y
USER_RSS_ENABLED: N
USER_SEES_ONLY_HIS_GROUPS: Y
USER_SORT_ORDER: cal_lastname, cal_firstname
WEBCAL_PROGRAM_VERSION: v1.9.1
WEBCAL_TZ_CONVERSION: Y
WEEKENDBG: #d0d0d0
WEEKEND_START: 6
WEEKNUMBER: #ff6633
WEEK_START: 1
WORK_DAY_END_HOUR: 23
WORK_DAY_START_HOUR: 17