filamentphp/filament · error · LogicException

Toolbar button [{$button}] cannot be found.

Error message

Toolbar button [{$button}] cannot be found.

What it means

Error "Toolbar button [{$button}] cannot be found." thrown in filamentphp/filament.

Source

Thrown at packages/forms/src/Components/RichEditor.php:1613

                'fi-fo-rich-editor-uploading-file': isUploadingFile,
            }"
            wire:ignore
            wire:key="<?= e($livewireKey) ?>.<?= substr(md5(serialize([$isDisabled])), 0, 64) ?>"
        >
            <?php if ((! $isDisabled) && filled($toolbarButtons)) { ?>
                <?php // `role="toolbar"` is withheld until the APG roving-tabindex/arrow-key pattern is
                      // implemented: the tools are `tabindex="-1"` with no arrow-key navigation, so announcing
                      // a toolbar would promise keyboard behaviour that does not exist. The `aria-label`
                      // still names the group.?>
                <div
                    class="fi-fo-rich-editor-toolbar"
                    aria-label="<?= e(__('filament-forms::components.rich_editor.toolbar.label')) ?>"
                >
                    <?php foreach ($toolbarButtons as $buttonGroup) { ?>
                        <div class="fi-fo-rich-editor-toolbar-group">
                            <?php foreach ($buttonGroup as $button) { ?>
                                <?php if (is_string($button)) { ?>
                                    <?= ($tools[$button] ?? throw new LogicException("Toolbar button [{$button}] cannot be found."))->toHtml() ?>
                                <?php } else { ?>
                                    <?= $button->toHtml() ?>
                                <?php } ?>
                            <?php } ?>
                        </div>
                    <?php } ?>
                </div>
            <?php } ?>

            <div
                x-show="isUploadingFile"
                x-cloak
                class="fi-fo-rich-editor-uploading-file-message"
            >
                <?= generate_loading_indicator_html()->toHtml() ?>

                <span><?= e($this->getUploadingFileMessage()) ?></span>
            </div>

View on GitHub (pinned to 53483fa934)

When it happens

Trigger: Thrown at packages/forms/src/Components/RichEditor.php:1613 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of filamentphp/filament@53483fa934 (2026-08-17). Data as JSON: /api/errors/374bd4a77c309f8f. Report an issue: GitHub.